Health & Medicine
- Health & Medicine
Dopamine could help the sleep-deprived still learn
Sleep loss impairs fruit flies’ ability to learn, just as it does in people. But boosting dopamine in the flies can erase these learning deficits.
- Health & Medicine
Promising HIV gel fails in latest trial
Halted in trials, an anti-HIV gel is ineffective, but may not add to risk of infection, as previously thought.
- Health & Medicine
Costly Health Care Mistakes
Medical malpractice that many of us won’t recognize as such — or be able to prove — remains too high.
- Health & Medicine
Calcium’s possible role in Alzheimer’s
A new study in mice finds that plaques associated with Alzheimer’s wreak havoc on calcium’s role in cell signaling.
- Health & Medicine
To catch a cheat
Drug test cheaters find quick fixes on the Web, but toxicologists aren’t so easily fooled.
- Health & Medicine
This trans fat is vindicated
Featured blog: FDA accords some trans fats a "generally regarded as safe" designation.
- Health & Medicine
Statins versus dementia
Statins, developed to fight cholesterol, may also prevent some dementia, a study of older Hispanics finds.
- Health & Medicine
A chink in flu’s armor
Finding the shape of a protein that enables the flu virus to replicate points to ways to combat the disease.
- Health & Medicine
Protein links metabolism and circadian rhythms
Scientists have known for ages that metabolism is tied to the body’s daily rhythms. Two new studies suggest how.
- Health & Medicine
New HIV inhibitor
A new HIV drug can, when combined with other therapies, suppress even the most drug-resistant strains of the virus that causes AIDS, scientists report in two papers in the July 24 New England Journal of Medicine.
- Health & Medicine
Statin snag
A gene variant explains why some people get muscle pains from cholesterol-lowering drugs called statins.
- Health & Medicine
Viagra and women
Viagra eases some sexual problems for women taking antidepressants
