Intermittent fasting has proven benefits for metabolic health, but a new study shows that it could slow hair growth in mice by inhibiting hair follicle regeneration. A research team headed by ...

Some parts of our bodies bounce back from injury in fairly short order. The outer protective layer of the eye—called the cornea—can heal from minor scratches within a single day. The brain is not one ...

Actor Abhay Deol says stem cell therapy in South Korea helped relieve years of knee pain and sciatica. Experts explain what the treatment is, who it may help, and why caution is still advised.