Public goods create a peculiar dilemma: everyone likes the benefits, but paying for them is another matter. Economists call this the free-rider problem—people can enjoy protection, clean air, or herd ...

A class action lawsuit against UnitedHealthcare claims that an AI system was used to unfairly deny post-acute rehabilitation ...

Words matter in national dietary guidance—especially technical ones. In the 2025–2030 Dietary Guidelines for Americans, ...

Amid an explosion of aging research, there are plenty of “biohackers” out there jumping the gun without waiting for proof of efficacy.

From miracle weight-loss fix to mass tort battleground: drugs like Ozempic and Mounjaro promise better health — but also ...

Few topics provoke as much concern as the perception that puberty is beginning earlier than ever. While synthetic ...

Fruit flies’ exposure to radiation from the basis of modern federal radiation directives, the debate over how we calculate ...

In 1921, Otto Loewi woke from a dream with the idea for an experiment that proved nerves communicate using chemicals, not just electricity. By showing that stimulating one frog’s heart released a ...

A dish of living human neurons has been taught to play Doom. No, it isn’t conscious or watching the screen the way players do. But it is learning to respond to signals in a way that produces ...

Why do some people get goosebumps from a song while others hear the exact same notes…and feel nothing? New research reveals ...

Newly published data indicate a quiet shift in hospital nurseries that may signal a broader change in how Americans view ...