South Korean actor Lee Sun-kyun, who played a rich entrepreneur in the Oscar-winning film Parasite, was found dead on Wednesday. Police suspect he died by suicide.
Leishmaniasis, a disease spread by a parasite carried by sand flies, is generally considered a tropical disease. Now, thanks to climate change, new research finds it's endemic to the United States.
Scientists caution that as the planet warms, more Americans could be exposed to disfiguring varieties of the Leishmania parasite. Overtreatment can be a problem, too, experts warn.
It took more than 30 years to develop. The hope is it will eventually save tens of thousands of lives each year. But there are a few issues.
Maybe. A nine-year study in Bolivia found an unexpected association between the parasitic worms in a woman's guts and her fertility.
Current drugs aren't working as well. Old drugs may be making a comeback. And a poet sums up the reason that malaria fighters met this week.