Disease

Coverage of infectious and chronic diseases — their causes, mechanisms, epidemiology, prevention strategies, and the latest science on how the body fights back.

May is Melanoma and Skin Cancer Awareness Month, and while we have missed Melanoma Monday, the first Monday in May, it is not too late to talk about a cancer that has dramatically changed trajectory over the last decade. 
Today, we rank 50th in life expectancy globally and have increasingly diverged from our “high-income” country (HIC) peers. By any measure, we spend more on healthcare than any other wealthy nation.
The third season of The Pitt just concluded with episode 15, which may or may not have sucked, depending on your tolerance for gratuitous gore and screeching karaoke singers at the end [1].
For patients, alpha-gal syndrome can be startling. A tick bite in the summer can lead, months later, to hives, gastrointestinal distress, or even life-threatening anaphylaxis hours after eating a hamburger or steak.
About 1,500 measles cases have been reported in the US so far in 2026.
I hate to deliver (groan) bad news, but—as I've said many times before—you'd better be careful with the supplements you're gulping down. They're unregulated and may be unsafe, ineffective, or both.
Last year, the WHO released alarming data on dementia, a group of conditions marked b
Death certificates serve as narratives explaining individual deaths. They are rooted in fact, but their significance can shift depending on which details are included, omitted, or misunderstood.