The message emanating from U.S. public health agencies used to be simple: Immunizations are safe and effective. Those halcyon ...

Self-medicating with vitamin B12 without a doctor’s guidance is not a good idea. Even though B12 is water-soluble (meaning excess amounts are usually flushed out in urine), taking more than your body ...

If you’ve ever left a doctor’s visit feeling unheard, here's why it happens—and why it’s not because your doctor doesn’t care ...

The issue: Many runners (particularly women) report that their fitness trackers tell them they’re exercising in a higher zone ...