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Poor quality or fake malaria drugs pose threat
Poor quality antimalarial drugs lead to drug resistance and inadequate treatment that pose an urgent threat to vulnerable populations. Emergence of malaria strains that are resistant to artemisinin drugs on the Thailand-Cambodia border make it imperative to improve the drug supply, stressed the researchers.

Z-pack antibiotic azithromycin carries heart risk
Vanderbilt researchers have discovered a rare, but important risk posed by the antibiotic azithromycin, commonly called a "Z-pack." The study found a 2.5-fold higher risk of death from cardiovascular death in the first five days of taking azithromycin when compared with another common antibiotic or no antibiotics at all.

Heart failure patients may get benefit from testosterone supplements
Testosterone supplements helped heart failure patients breathe better and exercise more. This new research analyzed four randomized clinical trials of patients with moderate to severe chronic heart failure. Patients were given commercial testosterone supplements by injection, patch or gel.

Chin augmentation - fastest growing plastic surgery in US
Do you have double chin? Chin augmentation is the fastest growing plastic surgery trend among all major demographics -- a phenomenon which appears, in part, to be sparked by increased usage of video chat technology, an aging baby boomer population and a desire for success in the workplace.

Controlling inflammation in macular degeneration prevents progress of AMD
Scientists at Trinity College Dublin have discovered that a part of the immune system called the inflammasome is involved in regulating the development of one of the most common forms of blindness, called Age-Related Macular Degeneration (AMD).

HPV vaccine reduces subsequent cervical disease in women
HPV vaccination does not reduce progression to cervical disease in women, but vaccinated women had less frequent subsequent cervical disease. Women who are diagnosed with pre-cancerous cervical conditions after receiving the HPV vaccine can still benefit from a considerably reduced risk of reoccurring disease.

Popcorn contains more antioxidant than fruits and vegetables
Popcorn contains more of the healthful antioxidant substances called "polyphenols" than fruits and vegetables. The hulls of the popcorn –– the part that everyone hates for its tendency to get caught in the teeth –– actually has the highest concentration of polyphenols and fiber.

Statin use reduces Parkinson Disease risk
Regular use of cholesterol-lowering statin drugs may be associated with a modest reduction in risk for developing Parkinson disease, particularly among younger patients. Statins are one of the most prescribed classes of drugs in the United States.

Sugar sweetened drinks increases heart disease risk in men
Men who drank a 12-ounce sugar-sweetened beverage a day had a 20 percent higher risk of heart disease compared to men who didn't drink any sugar-sweetened drinks, according to research published in Circulation, an American Heart Association journal.

A single dose of LSD may help heavy alcoholics
Forty years ago, LSD was used in the treatment of alcoholics - with good results. Perhaps it's time to look at it again? In the 1950s, '60s and '70s, researchers in many places in the world experimented with LSD in the treatment of various disorders, including alcoholism. Not all experiments were scientifically tenable by today's standards, but some were.

Family preferences influence decision making in very premature deliveries
When making decisions and counseling about risk and management options for deliveries between 22 and 26 weeks (periviable deliveries), obstetricians are heavily influenced by family preferences, particularly by the impression that parents consistently prefer to have everything possible done to prolong a pregnancy or "save the baby" through interventions such as cesarean section.

Citrus fruit may lower women's stroke risk
A compound in citrus fruits may reduce your stroke risk, according to research reported in Stroke: Journal of the American Heart Association.

Circadian rhythms linked to sudden cardiac attack
A new study uncovers the first molecular evidence linking the body's natural circadian rhythms to sudden cardiac death (SCD). Ventricular arrhythmias, or abnormal heart rhythms, are the most common cause of sudden cardiac death: the primary cause of death from heart disease. They occur most frequently in the morning waking hours, followed by a smaller peak in the evening hours.

Emergency department visita are lower among most satisfied patients
Higher patient satisfaction appears to be associated with lower odds of emergency department use, higher odds for inpatient hospitalization, greater health care and prescription expenditures, and higher mortality risk.

Vitamin D therapy does not improve heart disease risk
Patients with chronic kidney disease who received the vitamin D compound paricalcitol for up to 48 weeks did not show improvement on measures of cardiac structure, function, or left ventricular mass, compared to patients who received placebo.

Most major air pollutants increases heart attack risk
Short-term exposure (for up to 7 days) to all major air pollutants, with the exception of ozone, is significantly associated with an increased risk of heart attack. The potentially harmful effect of episodes of high air pollution on health has been suspected for more than 50 years.

4 times cancer rate in children with juvenile arthritis
New research reports that incident malignancy among children with juvenile idiopathic arthritis (JIA) is four times higher than in those without the disease. Findings suggest JIA treatment, such as tumor necrosis factor (TNF) inhibitors, does not necessarily explain the development of cancer in this pediatric population.

Heartburn and acid reflex medicines increase hip fracture risk
Post-menopausal women are 35% more likely to suffer hip fracture if they take indigestion drugs, known as proton pump inhibitors (PPIs), a figure which increases to 50% if they are also current or former smokers.

Additional breast surgery common after partial mastectomy
Nearly one in four women who undergo a partial mastectomy for treatment of breast cancer have another surgery to remove additional tissue (reexcision), and there is substantial surgeon and institutional variation in the rate of reexcisions that cannot be explained by patients' clinical characteristics.

Erivedge approved for skin cancer metastatic basal cell carcinoma
Erivedge or vismodegib was approved by the U.S. Food and Drug Administration to treat adult patients with basal cell carcinoma, the most common type of skin cancer. The Erivedge drug is intended for use in patients with locally advanced basal cell cancer who are not candidates for surgery or radiation and for patients whose cancer has spread to other parts of the body (metastatic).

Blood pressure is to be checked in both arms
Measuring blood pressure in both the right and left arm may be an effective way of catching a silent but serious disease of the blood vessels - peripheral artery disease. So, next time you get your blood pressure checked, ask your health provider to take measurements on both arms.

Brain stimulating habits lowers Alzheimer's disease risk
Individuals who keep their brains active throughout life with cognitively stimulating activities such as reading, writing and playing games appear to have reduced levels of the ß-amyloid protein, which is the major part of the amyloid plaque in Alzheimer disease.

Antidepressants use in pregnancy may risk newborn with high blood pressure
Use of anti-depressants during pregnancy is risky for new borns to have persistent pulmonary hypertension - high blood pressure in the lungs, revealed by researchers.

Eat out at restaurants and still lose weight
Going out to eat has become a major part of our culture. Frequently eating out and consuming high-calorie foods in large portions at restaurants can contribute to excess calorie intake and weight gain. However, a study in the Journal of Nutrition Education and Behavior demonstrates that individuals can eat out and still lose weight.

Anticoagulant Dabigatran linked to heart attack or MI
The anticoagulant dabigatran is associated with an increased risk of myocardial infarction (heart attack) or acute coronary syndrome in a broad spectrum of patients when tested against some other medicines.

Memory, mental aging, cognitive decline can begin as early as age 45
The brain's capacity for memory, reasoning and comprehension skills (cognitive function) can start to deteriorate from age 45. But, previous research suggests that cognitive decline does not begin before the age of 60, but this view is not universally accepted.

Bariatric surgery reduces heart attack and stroke in obese
Among obese individuals, having bariatric surgery was associated with a reduced long-term incidence of cardiovascular deaths and events such as heart attack and stroke, revealed by researchers.

63% women suffer from some knee pain
63% of women age 50 and older reported persistent, incident, or intermittent knee pain during a 12-year study period, revealed by researchers. Predictors for persistent pain included higher body mass index (BMI), previous knee injury, and radiographic osteoarthritis (OA).

Investments for children must be at top of African HIV and AIDS agenda - UNICEF
All children, particularly the poorest and most marginalized, should have access to HIV/AIDS prevention, treatment and care. Against the background of reduced funding for HIV/AIDS activities, partners and decision makers must sustain their contributions to make this world HIV free.

Many US people do not know they have HIV
An estimated 1.2 million people are living with HIV in the United States. Of those, as many as 1 in 5 people (about 240,000) don't know they have HIV.

Low calorie diet improves heart function in diabetic obese patients
A low-calorie diet eliminates insulin dependence and leads to improved heart function in obese patients with type 2 diabetes. It is striking to see how a relatively simple intervention of a very low calorie diet effectively cures type 2 diabetes mellitus. Moreover, these effects are long term.

Photoshop reality check - reality in the eye of the beholder
You know they couldn't possibly look that good. But what did those models and celebrities look like before all the retouching? How different is the image we see from the original? Dartmouth Computer Science Professor Hany Farid and Eric Kee, a PhD student at Dartmouth College, are proposing a method to not only answer such questions but also to quantify the changes.

Stent design may put patients at risk of heart attack
Stent shortening - a newly observed deformity in cases using a particular family of stents, can cause serious complications for patients, says researchers. In this case the stent clotted off and the patient had a heart attack.

Evacetrapib can increase good cholesterol HDL
Researchers at Cleveland Clinic reported that administration of a new drug– evacetrapib – can dramatically increase HDL (good) cholesterol, while significantly lowering LDL (bad) cholesterol). At the highest tested dosage, the levels of HDL more than doubled.

Poor sleep habits increases fibromyalgia risk in middle aged and older women
Researchers from Norway have uncovered an association between sleep problems and increased risk of fibromyalgia in women. The risk of fibromyalgia increased with severity of sleep problems, and the association was stronger among middle-aged and older women than among younger women.

Yearly visit to dentist can reduce heart attack risk
Tooth scaling at least once a year reduced heart attack and stroke risks. Professional tooth scaling was associated with fewer heart attacks and strokes in a study from Taiwan presented at the American Heart Association's Scientific Sessions 2011.

Sugar sweetened drinks may increase heart risk in women
Drinking two or more sugar-sweetened beverages a day may expand a woman's waistline and increase her risk of heart disease and diabetes. In a new study, researchers compared middle-aged and older women who drank two or more sugar-sweetened beverages a day, such as carbonated sodas or flavored waters with added sugar, to women who drank one or less daily.

Financial reimbursement increases cardiac stress tests in patients
Financial reimbursement and ownership of cardiac imaging equipment appears to influence physicians' use of cardiac stress testing. The study finds that doctors who are reimbursed for both performing the test using their equipment and then interpreting the results were 50 to 100 percent more likely to order cardiac imaging tests on their patients than those who don't bill the fees.

High fiber diet reduces colorectal cancer risk
Eating a diet high in fibre, particularly from cereal and whole grains, is associated with a reduced risk of colorectal cancer. Intake of dietary fibre and whole grains is known to help protect against cardiovascular disease, but its association with colorectal cancer risk is less clear. And, although the idea that dietary fibre reduces the risk of colorectal cancer has been around for nearly 40 years.

Transcatheter aortic valve replacement TAVR shows superiority in heart patients
A two-year study of patients in the landmark PARTNER trial, which compared transcatheter aortic valve replacement (TAVR) in patients who have severe aortic stenosis and are not candidates for open heart surgery, confirm the one-year findings and support the role of TAVR as the standard of care.

Burmese python heart growth may benefit diseased human heart
Now, Burmese python's heart may diseased human hearts, revealed by researchers from University of Alabama, USA. Three fatty acids involved in the extreme growth of Burmese pythons' hearts following large meals could prove beneficial in treating diseased human hearts.

Overweight or obese kids at greater risk of high blood pressure
Overweight or obese children are at three times greater risk for high blood pressure than children of normal weight, according to researchers from the Regenstrief Institute and Indiana University School of Medicine.

Alarm clock gene responsible for wake up every morning
Ever wondered why you wake up in the morning - even when the alarm clock isn't making jarring noises? Wonder no more. Researchers at the Salk Institute for Biological Studies have identified a new component of the biological clock, a gene responsible for starting the clock from its restful state every morning.

Hormonal contraception doubles HIV risk in Africa
Women using hormonal contraception -- such as a birth control pill or a shot like Depo-Provera – are at double the risk of acquiring HIV, and HIV-infected women who use hormonal contraception have twice the risk of transmitting the virus to their HIV-uninfected male partners.

Expandable prosthesis resolves advanced aortic valve disease
Among individuals 65 years and older, as many as 30 percent have aortic valve sclerosis or stenosis and as a result of their deteriorating health, they cannot enjoy a normal lifestyle.

Novartis drug Afinitor everolimus helps advanced breast cancer women
A pivotal Phase III study shows Afinitor (everolimus) tablets plus exemestane, a hormonal therapy, more than doubled the time women lived without tumor growth (progression-free survival; PFS) and significantly reduced the risk of cancer progression by 57% versus exemestane alone in patients with advanced breast cancer.

Pfizer new drug could provide a new treatment option for postmenopausal women
Pfizer Inc. will announce new one-year results from the Selective estrogens, Menopause, And Response to Therapy [SMART]-5 Phase 3 study of the safety and efficacy of the investigational tissue selective estrogen complex (TSEC) bazedoxifene/conjugated estrogens (BZA/CE) at the 22nd annual meeting of the North American Menopause Society (NAMS), September_21-24 in Washington, D.C.

$3.5 million Komen award to study rare and aggressive type of breast cancer
The Translational Genomics Research Institute (TGen) is part of a team of medical investigators receiving a $3.5 million grant from Susan G. Komen for the Cure to study triple-negative breast cancer, a highly aggressive form of this cancer that disproportionately affects African-Americans.

Stress linked to breast cancer aggressiveness
Psychosocial stress could play a role in the etiology of breast cancer aggressiveness, particularly among minority populations, according to study results presented at the Fourth AACR Conference on The Science of Cancer Health Disparities, held.

Healthy lifestyle behaviors lower heart failure risk
If you don't smoke, aren't overweight, get regular physical activity and eat vegetables, you can significantly reduce your risk for heart failure, according to research reported in Circulation: Heart Failure, an American Heart Association journal.

Asthma can be treated with Tocilizumab rheumatoid arthritis drug
Asthma sufferers now can be treated with a drug used to treat rheumatoid arthritis, revealed by researchers in a new study.

Stroke clinical trial finds intensive medical treatment better than brain stent
Patients at a high risk for a second stroke who received intensive medical treatment had fewer strokes and deaths than patients who received a brain stent in addition to the medical treatment, a large nationwide clinical trial has shown.

Mild memory loss and thinking problems may impact life expectancy
Cognitive impairment, especially at the moderate to severe stages has an impact on life expectancy similar to chronic conditions such as diabetes or chronic heart failure, revealed by Regenstrief Institute and Indiana University researchers in a study "Cognitive Impairment: An Independent Predictor of Excess Mortality. A Cohort Study" published in Annals of Internal Medicine.

Door-to-balloon time is 90 min in 91% of heart attack patients in US
The period from hospital arrival to angioplasty is called "door-to-balloon" time (D2B). A new study showed that 91 percent of patients were treated in a D2B time of less than 90 minutes in 2010, compared with 44 percent in 2005.

Former US President Bill Clinton turns to vegan diet
Former US President Bill Clinton is speaking out about his plant based, heart healthy diet, saying that he believes the vegan regimen or vegan diet is helping to reverse the damage to his heart and blood vessels caused by cardiovascular heart disease.

Cigarette smoking implicated in half of bladder cancers in women
Current cigarette smokers have a higher risk of bladder cancer than previously reported, and the risk in women is now comparable to that in men, according to a study by scientists from the National Cancer Institute (NCI), part of the National Institutes of Health.

Depression linked to 29% increased risk of stroke in women
Depressed women may face an increased risk of stroke, according to new research reported in Stroke: Journal of the American Heart Association. A variety of mechanisms may lead depression to cause stroke.

Rivaroxaban can prevent strokes in atrial fibrillation patients
Rivaroxaban, an anti-clotting drug, was shown to be an attractive alternative to warfarin in the prevention of stroke in patients with atrial fibrillation, revealed by researchers recently.

Red meat increases type 2 diabetes risk
A recently published study by Harvard School of Public Health (HSPH) finds a strong association between the consumption of red meat-particularly when the meat is processed-and an increased risk of type 2 diabetes.

Salmonella Kentucky has developed resistance to antibiotic Ciprofloxacin
A strain of Salmonella resistant to the most powerful antibiotics has been found in the UK, France and Denmark. This particular strain has a high level of resistance to ciprofloxacin, a common treatment for severe salmonella infections.

mChip can revolutionize medical care around the world
New low-cost diagnostics like the mChip can revolutionize medical care around the world, revealed by researcher in US. Microfluidics-the manipulation of small amounts of fluids-and nanoparticles can be successfully leveraged to produce a functional low-cost diagnostic device in extreme resource-limited settings.

Soy milk protein dietary supplements lower blood pressure
Milk and soy protein supplements were associated with lower systolic blood pressure compared to refined carbohydrate dietary supplements. The study's results suggest that partly replacing refined carbohydrates with foods or drinks high in soy or milk protein may help prevent and treat high blood pressure, said Jiang He, M.D., Ph.D., lead researcher of the study in Circulation: Journal of the American Heart Association.

New drug development program for children with HIV AIDS
The Drugs for Neglected Diseases initiative (DNDi) announced the launch of a new drug development programme to address critical unmet treatment needs of children with HIV/AIDS. Because HIV transmission in young children has largely been eliminated in high-income countries due to effective prevention of mother-to-child transmission (PMTCT) interventions, little market incentive exists for pharmaceutical companies to develop antiretroviral (ARV) drugs adapted for children.

Roll out treatment as prevention now to stop HIV and AIDS
The Lancet, a leading global medical journal, published an editorial comment today that emphasizes the critical role of expanding access to HIV treatment under a "Treatment as Prevention" strategy to stop the HIV pandemic.

Adolescent binge drinking can damage spatial working memory
Binge or "heavy episodic" drinking is prevalent during adolescence, raising concerns about alcohol's effects on crucial neuromaturational processes during this developmental period. Heavy alcohol use has been associated with decrements in cognitive functioning in both adult and adolescent populations, particularly on tasks of spatial working memory (SWM).

Chantix increases risk of heart attack or arrhythmia
Smoking cigarettes is a dangerous habit that many are struggling to break, but for the smokers who choose to use one of the most popular smoking cessation drugs on the market, new warnings about the risk of serious cardiovascular events are on their way. Use of varenicline – marketed by Pfizer under the brand name Chantix – is associated with a 72 percent increased risk of hospitalization due to a serious adverse cardiovascular (CV) event, such as heart attack or arrhythmia.

Low body fat may not lower risk for heart disease and diabetes
Researchers revealed that some people with a specific form of the gene are more likely to have lower percent body fat, but also more likely to develop heart disease and type 2 diabetes, because the gene lowers only the "subcutaneous" fat under the skin, but not the more harmful "visceral" fat that surrounds organs. People with this gene variant are less able to store fat safely under the skin and may, therefore, store fat elsewhere in the body, where it may interfere with normal organ function.

Rheumatoid arthritis and psoriasis medications lowers diabetes risk
Certain rheumatoid arthritis and psoriasis medications are associated with reduced diabetes risk, revealed by researchers. 2 disease-modifying antirheumatic drugs, TNF inhibitors and hydroxychloroquine, are associated with a reduced risk for the development of diabetes in psoriasis and rheumatoid arthritis patients

Fat substitutes may lead to weight gain
Eating food which is naturally low in fat and calories may be a better route than relying on fat substitutes or artificial sweeteners. Synthetic fat substitutes used in low-calorie potato chips and other foods could backfire and contribute to weight gain and obesity, according to a study published by the American Psychological Association.

HAART found effective for treating HIV infected children
This observational cohort study, by Andrew Edmonds and colleagues, reports that treatment with highly active antiretroviral therapy (HAART) markedly improves the survival of HIV-infected children in Kinshasa, DRC, a resource-deprived setting. The findings presented suggest that HAART is as effective for improving the survival of HIV-infected children in a severely resource-deprived country (still recovering from civil war) as in more resource-privileged settings.

Blood pressure changes are age related but important for health
The main causes of increases in blood pressure over a lifetime are modifiable and could be targeted to help prevent cardiovascular disease: although high blood pressure sometimes has no obvious symptoms, this condition, which affects about a third of the adult UK and US populations, can lead to life-threatening heart attacks and stroke, so reducing blood pressure is very important for health.

Parkinson's patients sing in tune with creative arts therapy
Twice a month a jam session takes place on the third floor of Northwestern Memorial's Prentice Women's Hospital. A diverse group of men and women, ranging in age and ethnicity, gather in a circle with instruments in hand and sing together. This is no ordinary jam band; all its members have Parkinson's disease. They are participating in Creative Arts for Parkinson's, a music and drama therapy program offered through Northwestern's Parkinson's Disease and Movement Disorders Center.

Use of clot busters for stroke increased from 2005 to 2009
The use of clot-busting drugs to treat acute ischemic stroke increased from 2005 through 2009 - but is still low, according to research reported in Stroke: Journal of the American Heart Association.

Low carb, higher fat diets cause no arterial health risks
Overweight and obese people looking to drop some pounds and considering one of the popular low-carbohydrate diets, along with moderate exercise, need not worry that the higher proportion of fat in such a program compared to a low-fat, high-carb diet may harm their arteries, suggests a pair of new studies by heart and vascular researchers at Johns Hopkins.

Surgical removal of tonsils and appendix may lead to heart attack
The surgical removal of the appendix and tonsils before the age of 20 was associated with an increased risk of premature heart attack in a large population study performed in Sweden. Tonsillectomy increased the risk by 44% (hazard ratio 1.44) and appendectomy by 33% (HR 1.33).

New form of cholesterol revealed in people at high risk of heart disease
Scientists from the University of Warwick have discovered why a newly found form of cholesterol seems to be 'ultra-bad', leading to increased risk of heart disease. The discovery could lead to new treatments to prevent heart disease particularly in people with type 2 diabetes and the elderly.

Increasing daily calcium will not reduce fracture risk in later life
While moderate amounts of calcium (around 700 mg a day) are vital for maintaining healthy bones, there is no need to start increasing calcium intake in order to reduce the risk of fractures or osteoporosis in later life, finds a paper published in bmj.

Niacin and statin treatment did not protect heart
The National Heart, Lung, and Blood Institute (NHLBI) of the National Institutes of Health has stopped a clinical trial studying a blood lipid treatment 18 months earlier than planned.

1 in 5 young adults has high blood pressure - hypertension
The number of young adults in the United States with high blood pressure may be much higher than previously reported, according to a new study by researchers at the University of North Carolina at Chapel Hill.

Baked or broiled fish lowers heart failure risk
The risk of developing heart failure was lower for postmenopausal women who frequently ate baked or broiled fish, but higher for those who ate more fried fish, in a study reported in Circulation: Heart Failure, an American Heart Association journal.

Tai chi helps improve mental health and prevent falls in elderly
T'ai chi has particular health benefits for older people, including helping to prevent falls and improving mental wellbeing, reveals a review published ahead of print in the British Journal of Sports Medicine.

Chronic low back pain treatment can reverse abnormal brain activity
It likely comes as no surprise that low back pain is the most common form of chronic pain among adults. Lesser known is the fact that those with chronic pain also experience cognitive impairments and reduced gray matter in parts of the brain associated with pain processing and the emotional components of pain, like depression and anxiety.

Master switch gene for obesity and diabetes discovered
A team of researchers, led by King's College London and the University of Oxford, have found that a gene linked to type 2 diabetes and cholesterol levels is in fact a 'master regulator' gene, which controls the behaviour of other genes found within fat in the body.

Antiretrovirals significantly reduces HIV transmission to partners
Men and women infected with HIV reduced the risk of transmitting the virus to their sexual partners by taking oral antiretroviral medicines when their immune systems were relatively healthy, according to findings from a large-scale clinical study.

SOX2 gene acts as a stem cell gatekeeper, decides neural stem cell fate
Early in embryonic development, the neural crest – a transient group of stem cells – gives rise to parts of the nervous system and several other tissues. But little is known about what determines which cells become neurons and which become other cell types.

Coronary artery bypass graft surgeries decreasing in US
Between 2001 and 2008, the annual rate of coronary artery bypass graft surgeries performed in the United States decreased by more than 30 percent, but rates of percutaneous coronary interventions (PCI; procedures such as balloon angioplasty or stent placement used to open narrowed coronary arteries) did not change significantly.

Low sodium excretion linked to higher heart disease incidence
In a study conducted to examine the health outcomes related to salt intake, as gauged by the amount of sodium excreted in the urine, lower sodium excretion was associated with an increased risk of cardiovascular death, while higher sodium excretion did not correspond with increased risk of hypertension or cardiovascular disease complications.

A better imaging agent for heart disease and breast cancer
Scientists are reporting development of a process for producing large quantities of a much-needed new imaging agent for computed tomography (CT) scans in heart disease, breast cancer and other diseases, and the first evidence that the material is safe for clinical use.

Adults with arthritis suffer with poorer health and quality of life
A new study reports that the health-related quality of life (HRQOL) for U.S. adults with arthritis is much worse than for those without this condition. Both physical and mental health are affected by arthritis, which poses a significant health and economic burden as the number of those diagnosed continues to climb.

Heart attacks are more serious if they occur at certain times of the day
People who have a heart attack are likely to be more seriously affected if the attack happens in the morning, reveals research published ahead of print in Heart journal.

HIV infection may be a risk factor for heart failure
Patients with HIV infection without a prior history of coronary heart disease may be at a higher risk of developing heart failure, according to a report in the Archives of Internal Medicine.

Low health literacy linked to higher rate of death in heart failure patients
An examination of health literacy (such as understanding basic health information) among managed care patients with heart failure, a condition that requires self-management, found that nearly one in five have low health literacy, which was associated with a higher all-cause risk of death.

Evidence based treatments decrease risk of death among heart attack patients
In an analysis of data from a coronary care registry in Sweden, between 1996-2007 there was an increase in the prevalence of use of evidence-based invasive procedures and pharmacological therapies for treatment of a certain type of heart attack, and a decrease in the rate of death at 30 days and one year after a heart attack for these patients.

Omega 3 good for heart not for prostate
The largest study ever to examine the association of dietary fats and prostate cancer risk has found what's good for the heart may not be good for the prostate.

Tai chi may improve quality of life in chronic heart failure patients
Tai chi, the ancient Chinese meditative exercise, may improve quality of life, mood and exercise self-efficacy in chronic heart failure patients, according to research led by a team at Beth Israel Deaconess Medical Center.

Fighting HIV in South Africa should focus on couples
HIV-positive people in South Africa take almost as much risk in their behavior when they know their partner is HIV-negative or don't know their status, as when they know their partner is already infected.

Nanomedicine closer to reality, Stanford
A class of engineered nanoparticles -- gold-centered spheres smaller than viruses -- has been shown safe when administered by two alternative routes in a mouse study led by investigators at the Stanford University School of Medicine.

Acupuncture relieves hot flashes from prostate cancer treatment
Acupuncture provides long-lasting relief to hot flashes, heart palpitations and anxiety due to side effects of the hormone given to counteract testosterone, the hormone that induces prostate cancer, according to a study published in the April issue of the International Journal of Radiation Oncology•Biology•Physics, an official journal of the American Society for Radiation Oncology (ASTRO).

Musical activity may improve cognitive aging
A study conducted by Brenda Hanna-Pladdy, PhD, a clinical neuropsychologist in Emory's Department of Neurology, and cognitive psychologist Alicia MacKay, PhD, found that older individuals who spent a significant amount of time throughout life playing a musical instrument perform better on some cognitive tests than individuals who did not play an instrument.

What's your intestinal bacteria type?
As partners in the international research consortium named MetaHit, scientists from the University of Copenhagen have contributed to show that an individual's intestinal bacteria flora, regardless of nationality, gender and age, organises itself in certain clusters.

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