Dr. James Mold, a family physician and author of Achieving Your Personal Health Goals, says doctors should work with their patients to set mutually agreed-upon goals throughout life.
Volunteer Greg Ruegsegger is outfitted with monitors, a catheter threaded into a vein and a mask to capture his breath in an experiment run by Joyner to measure human performance.
Young bodies may more easily rebound from long bouts of sitting, with just an hour at the gym. But research suggests physical recovery from binge TV-watching gets harder in our 50s and as we get older.
Lily Padula for NPR
Carl Luepker, his son Liam, 12, and daughter Lucia, 11, light the menorah during Hanukkah in their home in Minneapolis, Minn. Carl and Liam both have a degenerative nerve disorder called dystonia.
Jenn Ackerman for NPR
Samantha Pierce of Cleveland has a 7-year-old daughter, Camryn. In 2009, Pierce gave premature birth to twins. The babies did not survive. Scientists say black women lead more stressful lives, which makes them more likely to give birth prematurely and puts their babies at risk of dying.
Dustin Franz for NPR