The U.S. is one of a handful of nations that allows people to sell their plasma.

We published hundreds of stories on global health and development each year. Some are ... alas ... a bit underappreciated by readers. We've asked our staff for their favorite overlooked posts of 2025.

Teen use of AI chatbots is growing, and psychologists worry it's affecting their social development and mental health. Here's what parents should know to help kids use the technology safely.

TikToks are everywhere (well, except countries like Australia and India, where they've been banned.) We talk to the creators of some of the year's most popular reels from the Global South.

We look at a study on how death metal singers produce their otherworldly vocals, and therapeutic applications that researchers are investigating.

These stunning photos include a polar bear in a Chinese zoo, a teen in Zambia facing an uncertain future, Mongolian kids watching TV in a tent, a chef prepping a bowl of good-for-you soup.

Leaders in public health and MAHA have different views on how to improve Americans' health and often talk past each other. A new podcast helps them talk directly.

A new study in the journal 'American Psychologist' links swearing to "state disinhibition," a psychological state where you're less likely to hold back.

Drugs like Adderall and Ritalin appear to help children with ADHD by activating brain areas involved in alertness and motivation.

A new study of more than 160,000 teens finds that even occasional cannabis use among 8th, 10th and 12th graders is tied to worse outcomes at school and more emotional distress.