The Trump administration on Tuesday released updated guidelines intended to speed states' distribution of authorized Covid-19 vaccines by recommending that states immediately expand who's eligible for vaccinations and moving to distribute all currently available doses. Here's what you need to know.

If you crack your knuckles often, you've probably been warned the practice could lead to arthritis, joint damage, or other dangerous consequences—but does the evidence back up these dire predictions? Here's what a research review published in the journal Clinical Anatomy revealed.

Eli Lilly's experimental Alzheimer's disease drug slowed the rate at which participants lost their ability to think and care for themselves, according to a small clinical trial—but experts say there's reason to view the results with caution.

In what is considered to be the first reported case of natural transmission to great apes, several gorillas housed at the San Diego Zoo Safari Park have fallen ill with the novel coronavirus, in today's bite-sized hospital and health industry news from California, Illinois, and Massachusetts.