Drs. Exclusive: Usher’s Ex-Wife’s Brush with Death; Drs. Investigate: What Is Phenibut?; Playing to Live!; Lip Filler Nightmare!

Troy was given six months to live at only 16 when cancer that had already taken his left arm, spread to his lungs. Ten years later, he shares his inspiring story, his love of basketball, and his goal of inspiring others to live courageously.

The Doctors discuss an anonymous interview with The New York Post in which a woman admitted to cheating on her husband of 24 years because he has Alzheimer’s. Is it ever okay to cheat?