When food is scarce, stress hormones direct the immune system to operate in "low power" mode to preserve immune function ...

A growing body of research suggests that gut bacteria can change how the body uses nutrients in ways that matter for cancer. In one study, a single dietary amino acid acted like a switch, feeding ...

Florida's manatees faced near-record deaths for young sea cows in 2025, but also saw seagrass recovery, new legal protections, and scientific breakthroughs offering hope for the future.