Foot and ankle injuries are common for both the weekend warrior and the professional athlete. Dr. Sonya Ahmed, a former competitive athlete herself, discusses the importance of adequate stretching. Series: "Health Matters" [Health and Medicine] [Show ID: 36772]

Stem Cell research could unlock the mystery of what makes the human brain special. Researcher Alysson Muotri is using stem cells to grow tiny versions of developing human brains in his lab to study everything from autism to the Zika virus. His lab is even looking into how space flight impacts...