It’s surprisingly common for men to start losing entire chromosomes from blood cells as they age.

A high-carb diet, and the attendant high blood sugar, are associated with cognitive decline.

The author of In Cold Blood played fast and loose with the facts.

High blood pressure affects nearly one in two Africans over the age of 25.

Concerns about blood clots with Johnson & Johnson underscore just how lucky Americans are to have the Pfizer and Moderna shots.

Most Americans fully reject political violence. It’s time to differentiate between those who tolerate it and everyone else.

For the moment, reports of a very rare, dangerous blood disorder among recipients cannot be ignored.