20 Answers from 20 Specialists

Sitting for long periods of time during the day can put you at risk for a heart attack. Cardiologist Dr. John Kennedy explains the potentially fatal risks of staying seated, and how to keep your heart healthy.

Witnessing someone suddenly faint can be a scary situation. Paramedic Bobby Beall, Jr. demonstrates the dos and don'ts for helping someone who has passed out.

Neurosurgeon Dr. Neil Martin reveals why pituitary tumors are difficult to diagnose, and demonstrates a minimally invasive treatment for them.