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Researchers find a majority of children with ADHD have continued symptoms, or symptoms of another psychiatric disorder, in adulthood. Childhood attention deficit hyperactivity disorder frequently persists into adulthood, bringing heightened risks of additional psychiatric issues and nearly five times the risk of suicide, according to a 20-year study that followed children diagnosed with the disorder.

A baby born with the AIDS virus appears to have been cured, scientists announced Sunday, describing the case of a child from Mississippi who's now 2 1/2 and has been off medication for about a year with no signs of infection....

Researchers say a lack of sleep affects the function of genes related to stress and cell renewal, possibly contributing to poor health. Doctors know that being chronically sleep-deprived can be hazardous to your health.

Flying increases flatulence, according to an article published Friday in the peer-reviewed New Zealand Medical Journal, and passengers should release the gas -- or risk painful medical consequences.

The biggest study yet into genetics and mental health has come up with a stunning result: The five most common mental illnesses -- autism, attention deficit disorder, bipolar disease, schizophrenia and major depression -- all have a common genetic root.

Using DNA sequencing, researchers distinguish between 'good' and 'bad' strains of certain skin bacteria. The 'good' kind might be used to zap zits more effectively, they say.

On any given day in the United States, 18 percent of men and 11 percent of women drink more alcohol than federal guidelines recommend, according to a study that also found that 8 percent of men and 3 percent of women are full-fledged "heavy drinkers."

The two have filmed public service announcements encouraging kids to eat healthy and stay active.

Don't be afraid to question your doctor and ask, "Do I really need that?" That's the advice from leading medical groups who came up dozens of tests and treatments that physicians too often prescribe when they shouldn't. No worrisome stroke signs? Then don't screen a healthy person for a clogged neck artery, the family physicians say. It could lead to risky surgery for a blockage too small to matter.

With the cost of genetic sequencing plunging, more people, especially parents, are using DNA testing to uncover genetic diseases in their offspring.