Eating is one of life’s few constants: If you’re not eating right now, you’ll certainly be eating something within a few hours. But when and how often we should eat is still not fully understood.

Scientists at the National Cancer Institute and partnering institutions have discovered that Schmidtea polychroa, a flatworm capable of regenerating lost tissue, develops this ability progressively ...

Researchers have shed new light on how tissues in the body are repaired following the damage and premature death of tissue cells. As our bodies grow and develop, cells naturally die off where they are ...