Cell Phone Radiation Temporarily Affects the Brain

A new study published in the Journal of the American Medical Association says cell phone use causes changes in brain chemistry near the phone antenna. However, the researchers cautioned it was too early to determine whether these changes are harmful.

Omega-3 Fish Oil Supplements Don't Curb Alzheimer's

Despite earlier studies that hinted that Omega-3 supplements -- commonly sold as fish oil capsules -- might help slow the progression of Alzheimer's disease, a study published Tuesday in the Journal of the American Medical Association shows absolutely no benefit for most patients.

Avandia Linked to Heart Attacks in Two New Studies

GlaxoSmithKline's diabetes drug Avandia once again captured headlines Monday morning after two new studies linked it to heart attacks and other cardiovascular complications. The authors of the studies say the results should prompt the FDA to pull the drug from the market.