Ectopic pregnancies are rare but very serious, and you may not hear about them until you (or someone you know) experience one.

Kimchi may do far more than add flavor to meals—it could help fine-tune the human immune system. A clinical study using advanced single-cell genetic analysis found that regular kimchi consumption ...

Encouraging the liver to generate certain signals normally produced by the thymus can help counteract age-related reductions in T-cell numbers and improve how well the immune system responds to ...

Tattoos have gained widespread popularity, with nearly one in three Americans having at least one. But beneath the colorful designs lurks a hidden journey. According to a new study, tattoo ink doesn’t ...

SAN FRANCISCO (KGO) -- For former Bay Area biochemist Nancy Shine, Ph.D., cards and thank-you notes from grateful families are a reminder of a life-saving project that's rescued countless infants with ...