Dennis Kravetz Psychologist, physical fitness buff, business consultant and writer

Dennis Kravetz is a psychologist, physical fitness buff, business consultant and writer whose lifelong passion has been to study and research how to extend the human lifespan and improve the quality of one's life with a healthy lifestyle. He's the author of eight books, most recently A Sound Mind in a Sound Body: Live Long, Live Healthy (KAP Books, 2013). Learn more at www.longlife4me.com.