As blood stem cells age, their lysosomes become overactive and damaged, triggering inflammation and weakening the body’s ...

To work correctly, your body needs healthy blood cells. It makes new ones every day. All blood cells start in your bone marrow as stem cells. Each type of blood cell does its job and then dies off.

Soon, a chip lined with your own cells may decide which medication you take, long before a single pill is ever swallowed ...

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The human skeleton has 206 bones and is divided into the axial skeleton and the appendicular skeleton. Your axial skeleton includes 80 bones, like those in the skull and spine, that run down the ...

Editor's note: Jermod McCoy was selected by the Las Vegas Raiders in the fourth round of the NFL draft on Saturday, April 25. During the third day of the 2026 NFL Draft on Saturday, there will be a ...

“USA250: The Story of the World’s Greatest Economy” is a yearlong WSJ series examining America’s first 250 years. Read more about it from Editor in Chief Emma Tucker. In a federal hospital in Seattle ...

Anthea Levi is a registered dietitian (RD) and reporter with more than 6 years of experience writing for major health outlets including Health magazine, BuzzFeed, Eat This, Not That!, and Livestrong.