If you're being treated for cancer, speak up about any side effects. A study that had patients use home computers to report symptoms like nausea and fatigue surprisingly improved survival — by almost half a year, longer than many new cancer drugs do.

The online tool was intended as a quick and easy way for people to regularly report complications rather than trying to call their doctors or waiting until the next appointment. Researchers had hoped to improve quality of life but got a bonus in longer survival.

An experimental cancer medicine called larotrectinib has shown promise treating a diverse range of cancers in people young and old, researchers said at a major cancer conference in the United States.

Smoking and other tobacco use kills more than seven million people each year, the World Health Organization said Tuesday, also warning of the dire environmental impact of tobacco production, distribution and waste.

Smoking and other tobacco use kills more than seven million people each year, the World Health Organization said Tuesday, also warning of the dire environmental impact of tobacco production, distribution and waste.

A galaxy of stars including Leonardo DiCaprio, Dustin Hoffman, Nicole Kidman and Will Smith raised more than $20 million (18 million euros) at the AIDS benefit that is the social highlight of the Cannes film festival, organizers said Friday.

The first large-scale clinical trial of a cannabis derivative known as cannabidiol shows it was able to cut the frequency of severe epileptic seizures by 39 percent, researchers said Wednesday.

Cannabidiol, or CBD, is derived from cannabis plants, but does not cause users to get high.

The World Health Organization should expand its donor base to better withstand the "shock" from planned deep budget cuts in Washington, Tedros Adhanom, the newly elected agency head, said Wednesday.

Freeze-dried mouse sperm that spent nine months in space has been used to produce healthy rodent offspring back on Earth, Japanese researchers said this week.

But could the same hold true for humans? And if conception were even possible in space, would babies born in zero gravity develop differently than their Earth-bound counterparts?

The first African to head the World Health Organization, Ethiopia's Tedros Adhanom, says he aims to replicate his success in turning around his country's healthcare system on the global stage.

The 52-year-old's campaign focused on overhauling the U.N. health agency after its much-criticized handling of the west African Ebola epidemic, and speculation that the United States might cut its funding for the agency.

Cholera has killed 315 people in Yemen in under a month, the World Health Organization has said, as another aid organization warned Monday the outbreak could become a "full-blown epidemic".