Researchers call for restrictions on e-cigarette claims

A fair amount of conversation about e-cigarettes has involved their use in purportedly helping people to quit smoking. Researchers on Monday...

Stressed out women may have a harder time getting pregnant, study finds

Stressed out women have more difficulty getting pregnant than women with less stress, according to a new study this week in the journal...

San Diego Zoo joins a heck of an effort: to save the Tasmanian devil

SAN DIEGO — The San Diego Zoo has joined a long-odds international effort to save one of nature's tough guys: the Tasmanian devil.

Local TB cases up 7% in 2013; increase is mostly among the homeless

Tuberculosis cases in Los Angeles County rose 7% last year, public health officials reported Thursday.

Nearly half of Americans subscribe to a medical conspiracy theory

Is there really a link between vaccine and autism, cellphones and cancer, the HIV virus and the CIA? Almost half of Americans believe the...

Habits that feed child obesity are widespread, study finds

At the tender age of 2 months old, many American babies appear to be taking their first steps on the road to obesity, helped along by...

Measles is spreading, and the anti-vaccine movement is the cause

And now, New York City.

Exploring therapeutic effects of MDMA on post-traumatic stress

It costs about $2,000 to buy an ounce of the illegal drug, the therapist said — enough for roughly 150 doses. She pays her longtime...

Government approves medical marijuana research

WASHINGTON — The Obama administration handed backers of medical marijuana a significant victory Friday, opening the way for a...

L.A. County confirms case of extensively drug-resistant tuberculosis

Health officials confirmed Friday that the Los Angeles County Department of Public Health is monitoring a patient with extensively drug...

Measles cases continue to rise in California, officials warn

State health officials announced Friday that the number of measles cases in California was far higher compared to the same time last year.

Japan STAP stem cell researchers' errors not intentional, RIKEN says

The Japanese research institution at the center of a growing controversy over a new type of stem cells said Friday that its investigation of...

U.S. should reclassify prescription painkiller to cut rampant theft

In his 30 years as a pharmacist, including three at a CVS Caremark store in Northern California, Wayne Wilson said it was all too common for...

Women can get HIV from other women during sex, CDC reports

The first confirmed case of a woman contracting HIV from another woman during sex was reported by the Centers for Disease Control and...

Institution to discuss probe into STAP stem cell controversy

It was hailed as a remarkable scientific breakthrough, one that could potentially revolutionize medicine by enabling the speedy production...

FDA wins high-profile support in consumer genetics kerfuffle

When the Food & Drug Administration last November ordered the Mountain View, Calif.-based firm 23andMe to stop marketing its health-...

About 88,000 U.S. deaths each year traced to alcohol use, study says

Alcohol is responsible for about 88,000 deaths in the U.S. each year, according to a new government report on the toll of excessive...

Darren Sharper due in court amid drug, sex assault investigations

A day after being indicted by an Arizona grand jury, ex-NFL star Darren Sharper is scheduled to appear in a Los Angeles courtroom...

Drugmaker reverses course, offers treatment to stricken 7-year-old

A 7-year-old Virginia boy struggling with a serious infection began a potentially lifesaving drug treatment Wednesday after his family's...

Research inspired by swine flu wins $100,000 at Intel science fair

A project that could point the way to a new class of drugs to treat influenza won the top prize Tuesday night at the Intel Science Talent...

Experts settle on two definitions for mysterious Gulf War illness

More than two decades since the first U.S. invasion of Iraq, medical authorities can’t agree on a definition of...

Scientist who created STAP stem cells says studies should be withdrawn

A number of scientists have been grumbling for weeks about a pair of breakthrough stem cell studies that seemed too good to be true. Now one...

Obesity boosts ovarian cancer risk, study finds

Obesity is probably a factor in some of the almost 22,000 new diagnoses of ovarian cancer that will be handed out this year to American...

FDA approves device to treat migraine headaches

The U.S. Food and Drug Administration has approved the marketing of an electronic medical device intended to treat migraine headaches.