The number of young people in South Africa receiving treatment for HIV has increased 10-fold within a decade, a major new study has found.

Indian Prime Minister Narendra Modi on Wednesday declared the country free of open defecation, a feat he said was a major milestone for a country of 1.3 billion people, despite skepticism about his bold claim.

Aid group Doctors Without Borders (MSF) on Monday accused the World Health Organization of rationing the Ebola vaccine in the Democratic Republic of Congo where more than 2,100 people have died of the deadly virus.

More than 500 people have been sickened in an outbreak of vaping-related illness in the United States, health authorities said Thursday, as Los Angeles became the latest city to take steps to ban flavored e-cigarettes.

Jay Jenkins says he hesitated when a buddy suggested they vape CBD.

The federal government will act to ban thousands of flavors used in e-cigarettes, President Donald Trump said Wednesday, responding to a recent surge in underage vaping that has alarmed parents, politicians and health authorities nationwide.

The surprise White House announcement could remake the multibillion-dollar vaping industry, which has been driven by sales of flavored nicotine formulas such as "grape slushie" and "strawberry cotton candy."

At least five people have died in the United States after vaping, officials said Friday, in an outbreak that has sickened hundreds with severe pulmonary disease and left several teens in induced comas.

The U.S. state of Michigan has announced a ban on flavored nicotine vaping products, amid growing concern among health authorities over the impact of a product long promoted as less harmful than smoking.

Cancer has become the leading cause of death in rich nations, overtaking heart disease, according to the results of two landmark, decade-long global surveys of health trends released Tuesday.

U.S. officials are investigating the suspicious deaths of more than 10 patients at a government hospital for military veterans in West Virginia, two of which have been ruled homicides after autopsies revealed unexplained insulin injections.