Dr. Sanjay Gupta tell us how eating certain types of chocolate can help us live to 100.
Drugs like LSD and MDMA are generating new interest among doctors for use in psychotherapy.
Psychiatrists are now considering the benefits of LSD and other psychedelic drugs in treatment. Dr. Sanjay Gupta reports.
After surviving testicular cancer, Jamil Nathoo took on triathlon on his quest to get back into shape.
Six CNN viewers selected for the Fit Nation challenge have transformed their bodies and minds.