A team of Spanish researchers say they have developed a therapeutic vaccine that can temporarily brake growth of the HIV virus in infected patients.

The vaccine, based on immune cells exposed to HIV that had been inactivated with heat, was tested on a group of 36 people carrying the virus and the results were the best yet recorded for such a treatment, the team said.

Sunny with a chance of flu? That's what some health scientists are thinking, as they study the weather for clues about how to predict disease outbreaks.

A growing wave of computer models factor in rainfall, temperature or other weather conditions to forecast disease. In one recent study, scientists said they could predict more than seven weeks in advance when flu season was going to peak in New York City.

Australian supermarkets and pharmacies were running out of popular baby formula Thursday after unprecedented sales reportedly due to Chinese customers trying to secure supplies.

Nutricia, supplier of top-selling formula brand Karicare, said there had been a sudden surge in demand for its products which had seen stocks plummet and left shelves empty.

A Catholic couple has asked the Philippines' top court to stop a historic birth control law, their lawyer said Thursday, in the first of many legal challenges church leaders have vowed against the measure.

The petition was filed Wednesday at the Supreme Court by lawyer James Imbong and his wife, who claim the law signed by President Benigno Aquino two weeks ago was unconstitutional.

India's Supreme Court said Thursday that unregulated clinical trials of new drugs were causing "havoc" in the country as it ordered the health ministry to monitor any new applications for tests.

The comments were made during a hearing on a petition detailing deaths and health problems caused by clinical trials carried out on Indians, often without their knowledge or consent.

Turns out a few extra pounds may not be such a bad thing, according to a new analysis of nearly three million adults that showed people who are overweight or slightly obese may live longer.

But experts were quick to caution that the possible benefits dropped off when the "few" extra pounds turned into many.

Cholera has broken out in northern Zambia this week, with at least 30 cases recorded in the past three days, a health official said Wednesday.

"We have so far 30 suspected cases of cholera admitted at Mambilima Mission hospital," regional medical officer Lackson Ndhlovu told public radio station Zambia National Broadcasting Corporation (ZNBC).

A sperm donor in Kansas is fighting a state effort to force him to pay child support for a child conceived through artificial insemination by a lesbian couple.

Forty-six-year-old William Marotta told The Topeka Capital-Journal he's "a little scared about where this is going to go, primarily for financial reasons."

This is your brain on sugar — for real. Scientists have used imaging tests to show for the first time that fructose, a sugar that saturates the American diet, can trigger brain changes that may lead to overeating.

After drinking a fructose beverage, the brain doesn't register the feeling of being full as it does when simple glucose is consumed, researchers found.

The use of antidepressants during pregnancy is not linked to a higher overall risk of stillbirth and death in newborns, a study said Tuesday, confounding a long-held opposing view of such drugs.

The Swedish study of more than 1.6 million births in five Nordic countries included nearly 30,000 women who had filled in a prescription for an SSRI (selective serotonin reuptake inhibitor) during pregnancy.