Johns Hopkins Medical Institutions health news articles

1 in 5 Americans has hearing loss, US
20% of Americans over the age of 12 experience hearing loss in at least one ear. Nearly a fifth of all Americans 12 years or older have hearing loss so severe that it may make communication difficult, according to a new study led by Johns Hopkins researchers and published in the Nov. 14 Archives of Internal Medicine.

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.

Gene variation linked to infertility in women
A variation in a gene involved in regulating cholesterol in the bloodstream also appears to affect progesterone production in women, making it a likely culprit in a substantial number of cases of their infertility, a new study from Johns Hopkins researchers suggests.

Turning bad fat into good - A future treatment for obesity
By knocking down the expression of a protein in rat brains known to stimulate eating, Johns Hopkins researchers say they not only reduced the animals' calorie intake and weight, but also transformed their fat into a type that burns off more energy. The finding could lead to better obesity treatments for humans, the scientists report.

Closely monitoring better for low risk prostate cancer
A Johns Hopkins study of 769 men from across the United States recently diagnosed with low-grade prostate cancer shows that forgoing immediate surgery to remove the tumor or radiation poses no added risk of death.

Pancreatic cancers progress to lethal stage slowly
Pancreatic cancer develops and spreads much more slowly than scientists have thought, according to new research from Johns Hopkins investigators.

New Parkinson's gene is linked to immune system
A hunt throughout the human genome for variants associated with common, late-onset Parkinson's disease has revealed a new genetic link that implicates the immune system and offers new targets for drug development.

Dense bones linked to prostate cancer risk
Men who develop prostate cancer, especially the more aggressive and dangerous forms that spread throughout the body, tend to retain denser bones as they age than men who stay free of the disease, suggests new research from Johns Hopkins and the National Institute on Aging (NIA), part of the National Institutes of Health.

Spouses who care for partners with dementia at higher risk of same fate
Husbands or wives who care for spouses with dementia are six times more likely to develop the memory-impairing condition than those whose spouses don't have it, according to results of a 12-year study led by Johns Hopkins, Utah State University, and Duke University.

Fashionable toilet seats, harsh chemicals may lead to dermatitis
Considered a dermatological nuisance that was long gone, skin irritations caused by toilet seats appear to be making a comeback in pediatricians' offices, according to research led by Johns Hopkins Children's Center investigator Bernard Cohen, M.D.

Vaccine may cure chronic myeloid leukemia CML
Johns Hopkins Kimmel Cancer Center researchers say preliminary studies show that a vaccine made with leukemia cells may be able to reduce or eliminate the last remaining cancer cells in some chronic myeloid leukemia (CML) patients taking the drug Imatinib mesylate (Gleevec).

Stem cell transplant may reverse sickle cell disease
Results of a preliminary study by scientists at the National Institutes of Health and Johns Hopkins show that "mini" stem cell transplantation may safely reverse severe sickle cell disease in adults.

How diarrheal bacteria cause some colon cancers revealed
Johns Hopkins scientists say they have figured out how bacteria that cause diarrhea may also be the culprit in some colon cancers. The common Bacteroides fragilis (ETBF) dupe immune system cells into permitting runaway colon tissue inflammation, a precursor for malignant growth.

ABCG2 gene mutation causes gout
Johns Hopkins scientists out a gene for gout - ABCG2 gene mutation is responsible for causing the joint inflammation and pain that are symptoms of gout.

Children of anxious parents need help too
A family-based program reduced symptoms and the risk of developing an anxiety disorder among children of anxious parents, revealed by researchers at the Johns Hopkins Children's Center in a new study.

New lead on malaria treatment
Approximately 350 million to 500 million cases of malaria are diagnosed each year mostly in sub-Saharan Africa. While medications to prevent and treat malaria do exist, the demand for new treatments is on the rise, in part, because malaria parasites have developed a resistance to existing medications.

Folic acid may help treat allergies, asthma
Folic acid, or vitamin B9, essential for red blood cell health and long known to reduce the risk of spinal birth defects, may also suppress allergic reactions and lessen the severity of allergy and asthma symptoms, according to new research from the Johns Hopkins Children's Center.

Chemical found in medical devices impairs heart function
Researchers at the Johns Hopkins University School of Medicine have found that a chemical commonly used in the production of such medical plastic devices as intravenous (IV) bags and catheters can impair heart function in rats.

Hydrogen sulfide regulates blood pressure
Anyone with a nose knows the rotten-egg odor of hydrogen sulfide, a gas generated by bacteria living in the human colon. Now an international team of scientists has discovered that cells inside the blood vessels of mice - as well as in people, no doubt - naturally make the gassy stuff, and that it controls blood pressure.

Suppressing hunger hormone ghrelin as good as bariatric surgery
Johns Hopkins scientists report success in significantly suppressing levels of the "hunger hormone" ghrelin in pigs using a minimally invasive means of chemically vaporizing the main vessel carrying blood to the top section, or fundus, of the stomach.

Depression risk high in treated diabetes patients
Persons with treated type 2 diabetes are at increased risk for developing depression, while a more modest association was found between persons with depression and the risk of diabetes, revealed by researchers.

Siglec-8 protein a possible key to allergy and asthma control
Johns Hopkins researchers suggests in a study that activating a protein found on some immune cells seems to halt the cells' typical job of spewing out substances that launch allergic reactions.

Mouth rinse gargle test for cancer
A morning gargle could someday be more than a breath freshener – it could spot head and neck cancer, say scientists at the Johns Hopkins Kimmel Cancer Center. Their new study of a mouth rinse that captures genetic signatures common to the disease holds promise for screening those at high risk, including heavy smokers and alcohol drinkers.

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