Overtraining is rare. But when it occurs, it's a long road back.

Many Paralympians criticize the U.S. Olympic program for giving them fewer benefits than Olympians receive.

A federal judge in Brooklyn decided to unseal confidential materials about Eli Lilly’s top-selling antipsychotic drug, citing questions about the way drugs are approved for new uses.

That cheating husband could have a gene variant that scientists have linked to higher risks of marital discord and divorce. (He could even have two.)

Men are more likely to be devoted and loyal husbands when they lack a particular variant of a gene that influences brain activity, researchers reported this week.

LOS ANGELES -- Three TV networks, cancer research advocates and more than 60 celebrities from music, sports, TV and film made history Friday night with a live telethon that aired simultaneously on NBC, ABC and CBS.

The Food and Drug Administration will begin posting every three months a list of drugs whose safety is under investigation because of complaints brought to the agency's attention by drug companies, physicians and patients.

The American Red Cross said yesterday that it is going deep into debt to fund a $70 million Hurricane Gustav relief effort, an unusual occurrence even as the nation's biggest disaster aid charity braces for a trio of powerful storms lurking in the Atlantic.

What we are learning about the interplay of hormones, breast cancer, chemotherapy and the pregnant body.

For the first time, scientists have recorded individual brain cells fetching a spontaneous memory.

Scientists say a gene that regulates the hormone vasopressin can influence the chances of discord and divorce.

Men are more likely to be devoted and loyal husbands when they lack a particular variant of a gene that influences brain activity, researchers reported this week.

Cold eggplant can be delicious, if you know how to dress it.

U.S. toddlers got the recommended vaccinations against childhood diseases at record levels in 2007, federal health officials said yesterday as they urged parents to continue to trust vaccine safety.

WASHINGTON -- Scientists have mapped the cascade of genetic changes that turn normal cells in the brain and pancreas into two of the most lethal cancers. The result points to a new approach for fighting tumors and maybe even catching them sooner. Genes blamed for one person's brain tumor were...

The 48-year-old's death is the third West Nile fatality in California this year.

A 48-year-old San Bernardino County man has died of West Nile virus, the third death this year in California from the mosquito-borne illness, authorities said today.

Those 55 and older who came to the United States as refugees were twice as likely to report needing care, a UC Irvine study says.

Vietnamese Americans who came to the United States as political refugees are suffering from higher rates of mental health problems than non-Latino whites, an indication that many Vietnamese Americans are experiencing lingering effects from the Vietnam War, according to a UC Irvine Center for Health Care Policy study.

The United Nations report says an ambitious goal embraced by wealthy countries to cut extreme global poverty by 2015 is in jeopardy.

Development aid from the United States and other wealthy countries has declined since the middle of this decade, jeopardizing the ambitious U.N. goal they had embraced for reducing poverty by 2015, according to a report issued Thursday.

Eggplant is particularly good in this sweet-and-sour Sicilian version of ratatouille.

Pfizer said that it was acquiring the rights to Dimebon, a promising experimental drug for Alzheimer’s disease, from Medivation for as much as $725 million.

Around the country, little girls are donning leotards and tumbling into gymnastics classes -- but what are the risks of competitive sports on young bodies?

Federal officials ordered stronger warnings on four medications widely used to treat rheumatoid arthritis and other serious illnesses, saying they can raise the risk of possibly fatal fungal infections.

Toddlers received the recommended vaccinations against childhood diseases at record levels in 2007, federal health officials said.

Facing a severe budget shortfall, Rhode Island officials are seeking unprecedented authority to rein in Medicaid spending in a move that has alarmed Democrats in Congress and advocates for the poor.

Four medications used to treat rheumatoid arthritis can increase the risk of contracting fatal fungal infections, the agency said.

Plastic surgeons are learning to spot difficult patients and then turn them away.

Government toxicologists have reiterated safety concerns about bisphenol A, just weeks after the Food and Drug Administration declared the substance safe.

A radioactive tracer that “lights up” cancer hiding inside dense breasts showed promise in its first big test against mammograms.

When parents pursue several ways to have a child, the stage is set for virtual twins, genetic strangers who share an environment from an early point in life.

California Atty. Gen. Jerry Brown and other law enforcement officials allege that three makers of artificial turf deliberately failed to disclose that their products contain lead.

California's attorney general wants to put a new spin on the old admonition "Don't step on the grass!"

One bill would curb retroactive cancellation of sick patients' coverage. Aggressive lobbying by insurers and doctors and internal feuds among Democrats kill most proposals.

California lawmakers acted to curb some of the most extreme practices of the state's healthcare industry this session, even as they failed to fix some of its most widespread problems, such as high costs and uneven quality.

California Atty. Gen. Jerry Brown and other law enforcement officials allege that three makers of artificial turf deliberately failed to disclose that their products contain lead.

California's attorney general wants to put a new spin on the old admonition "Don't step on the grass!"