The United States was the site of the first monkeypox outbreak outside Africa, in 2003.
Millions of people are forced to walk more than 30 minutes to collect drinking water.
Public health officials argue that onscreen smoking motivates teens to use tobacco.
State assistance programs can make life bearable again for caregivers in remote areas struggling to provide around-the-clock help.
Tom Price is in the West African country to survey its post-Ebola recovery and offer U.S. support.
The Tsimane were five times less likely to develop hardened arteries compared with people living in the United States.
Nearly 100 million children are infected with tuberculosis, which causes 2 million deaths each year.
"I guess it just feels like you have bugs underneath your skin, crawling around in these little tunnels."
Despite a government crackdown, scalpers continue to tout tickets for advance consultations at Chinese hospitals.
Former Rolling Stones bassist Bill Wyman is being treated for prostate cancer, which was diagnosed in the early stages. Saskia O'Donoghue reports.
A group of Brazilian doctors suspected the connection between Zika and microcephaly months ago, but had to persuade their government, and the world, that they were onto something real.
Zika's risk to babies is now a public health emergency.
The 71-year-old from Oman lead to at least 32 people going into quarantine.