Early detection of melanoma, the dangerous skin cancer, is essential to survival. Instructing high-risk patients, defined as those who previously had a melanoma, on skin self-exam with a partner-trainee may help in earlier detection.

A study purporting to support the policy of drastically reducing nicotine levels in cigarettes as a strategy for encouraging cessation actually shows little or nothing of value, given it's short duration of just six weeks.

The World Health Organization is changing its tune on treatment for HIV, for the better. It now says that those diagnosed with HIV should be treated immediately. This may sound like a no-brainer, but treatment was formerly withheld and for good reason.

What would happen to drug prices in the U.S. if Medicare, Medicaid and the Veterans Administration, plus all other federally-funded health care facilities, could negotiate a single price for every drug they buy? We all know the answer: they would come down.

A new systematic review of published calcium articles reveals new findings on what to expect from different types of calcium and their correlation to bones.

Nail salon workers endure some terrible working conditions, which include inadequate ventilation from constant exposure to harmful chemicals. But now New York City is finally taking smart, corrective action, setting up a pilot program to measure how much workers are being exposed to.

The hygiene hypothesis has some new data. Researchers believe they have evidence that a lack of four bacteria genera early in life leads to a high risk of asthma. However, the study is small and the data is anything but conclusive.

Women diagnosed with cancer while pregnant have plenty to worry about. A new study may help reduce that burden, since it shows that typical cancer treatments may have no significant adverse effect on their fetus or newborn.

The FDA and CDC are expressing concerns about the potential for rising rates of transfusion-associated infections, with both agencies calling for more testing and precautions. Cash-strapped blood banks are not nearly so concerned.

A.D.H.D., once thought of as a disorder that affects only children and young adults, may not fade nor disappear in adulthood, which is why a doctor at Johns Hopkins believes it may affect the elderly as well.