Astronaut Clay Anderson is living proof of the power of persistence. It took him 15 tries to make it into the Astronaut Corps, and when he finally made it to space, he stuck around for five months. Find out how his extended stay in space affected his view of our world and what challenges — and career changes — he has planned next.

Siphiwe Baleka is a one-of-a-kind Yale graduating, globetrotting, God-fearing, truck-driving, fast-swimming family man. And he’s got a new mission — to help long-haul truckers everywhere improve their health, fitness and quality of life. (Click here to watch the video version of this story)

Are anti-aging products legitimate or a waste of your money? Is there any proof to back up their claims? Can some actually be harmful to your health? Those are the questions Arlene Weintraub answers in her new book, “Selling the Fountain of Youth.”

Nolan Shaheed lives a double life. He’s one of the top jazz musicians in the world, performing with artists like Stevie Wonder and Duke Ellington, and he’s also a world-record-holding track and field superstar. Find out the secrets of the 61-year-old’s success and why some think he may be the greatest middle distance runner of all time.

It’s no secret that our society seems to be in the midst of an emotional meltdown. Psychiatrist and best-selling author Judith Orloff has tips to help you free yourself of the “emotional vampires” in the world and start feeling better today.