Breast cancers that have an overactive PI3K enzyme, involved in cell growth and division, tend to be more aggressive and to spread and divide more like stem cells. But a new study by Ralitsa Madsen of...

U.S. health advisers on Friday tackled who should get boosters of Johnson & Johnson’s single-shot COVID-19 vaccine and when—and whether using a competing brand for the second dose might provide...

Keeping your brain sharp may be further down your list of priorities than you care to admit, but a common pastime you might already be doing on a regular basis helps strengthen this muscle. Of course,...

A technology-packed tank top offers a simple, effective way to track astronauts’ vital signs and physiological changes during spaceflight, according to research being presented at the American Physiological...

Big fan! Blake Shelton “can’t imagine life without” his fiancée Gwen Stefani’s three children. Celebrity Stepparents: Jada Pinkett Smith, LeAnn Rimes and More “I don’t know if it’s as hard...