Robert F. Kennedy Jr.’s anti-vaccine activism is not what you’d call subtle. For decades, he has questioned the safety and effectiveness of various childhood vaccines, insisting that some of them…

Photographs by Sarah Blesener The Toyota pickup hit the tree that May morning with enough explosive force to leave a gash that is still visible on its trunk 39 years…

Ever since the pharmaceutical company Novo Nordisk realized that GLP-1 drugs were useful for more than diabetes, doctors and researchers have struggled to answer a deceptively simple question: Who should…

If you already have fine or thinning hair, you know the struggle: most hair extensions either tug too much, peek through, or look obviously fake. And when your strands are…

The surgeon general, America’s doctor, is the public face of medicine in the United States. The job is more educational than it is technical. Vivek Murthy, who was appointed as…

When you think of food poisoning, perhaps what first comes to mind is undercooked chicken, spoiled milk, or oysters. Personally, I remember the time I devoured a sushi boat as…

As much as we all hate to admit it, our hair changes. It’s just one of those facts of life. One day, you have thick, glossy strands like you’re in…

Matthew J. Memoli has had an exceptionally good year. At the beginning of January, Memoli was a relatively little-known flu researcher running a small lab at the National Institute for…

During the crucial early weeks of pregnancy, when fetal cells knit themselves into a brain and organs and fingers and lips, a steady flow of man-made chemicals pulses through the…

In the morning weekday rush, any breakfast will suffice. A bowl of cereal, buttered toast, yogurt with granola—maybe avocado toast, if you’re feeling fancy. But when there’s time for something…