Harvard Medical School health news articles

Placebo works even without deception
For most of us, the "placebo effect" is synonymous with the power of positive thinking; it works because you believe you're taking a real drug. But a new study rattles this assumption.

Birth weights in US have declined
Birth weights in US have declined during the past 15 years, revealed by researchers at the Harvard Pilgrim Health Care Institute's Department of Population Medicine.

Allergy drug may reduce obesity and diabetes
Researchers have linked type 2 diabetes and obesity with immunology. These new research studies published in Nature Medicine, by Harvard Medical School researchers.

Universal health insurance may narrow gaps in health care, US
Health care disparities in the U.S. have long been noted, with particular attention paid to the gaps separating racial and economic groups.

A universal mechanism of aging is identified
Researchers have discovered that DNA damage decreases a cell's ability to regulate which genes are turned on and off in particular settings. This mechanism, which applies both to fungus and to us, might represent a universal culprit for aging.

New chemical tool kit reveals insights into drug toxicity
Why do nearly 1 million people taking cholesterol-lowering statins often experience muscle cramps? Why is it that in the rare case when a diabetic takes medication for intestinal worms, his glucose levels improve? Is there any scientific basis for the purported health effects of green tea?

273 human proteins required for HIV propagation
Current drugs attack HIV itself, leaving patients vulnerable to counterattack by the rapidly mutating virus, which often evolves resistance. But the human proteins exploited by HIV represent potential therapeutic targets that could avoid this problem. The challenge will be to develop drugs that inhibit HIV by interacting with these human proteins without hurting our cells.

Oral osteoporosis medicines safe during dental work
Some doctors and dentists had advised patients who take oral osteoporosis medications such as Fosamax and Boniva to postpone dental work, fearing that tooth extractions and other procedures would exacerbate jaw problems purportedly linked to the medication. But the new findings refute the link and suggest the benefits of dentistry likely outweigh the risks for many of these patients.

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