NIH

(Newser) - Vitamin D, the "sunshine vitamin," has been getting plenty of good press lately, leading some to ask why more people aren't guzzling it to help stave off heart disease, cancer, and diabetes. But as the government looks to update its guidelines, many experts warn that bombarding people with...

(Newser) - A new study estimates that 2.4 million people, or 9.7% of Americans over age 71, have Alzheimer's disease, fewer than originally suspected. Unlike prior studies, which have focused on a small region or select cities, researchers assessed seniors in 42 states to arrive at the "best" estimates...

(Newser) - The National Institutes of Health will stop breeding chimpanzees for use in medical testing, the agency announced yesterday. The practice is being abandoned for financial reasons, NIH says; because chimpanzees live upwards of 50 years in captivity, their lifelong upkeep costs $500,000.