55K views · 98 reactions | Heart disease runs in Katy's family. Her grandpa died from a heart attack at only 48 years old, so she wasn't taking any chances. This simple test may have saved her life: bit.ly/2ThQQmj. | Mercy | Facebook

27K views · 217 reactions | Facing concerns about his own family history of Alzheimer's, CNN chief medical correspondent Dr. Sanjay Gupta visits preventive neurologist Dr. Richard Isaacson to have his own risk for dementia assessed in the CNN documentary "The Last Alzheimer's Patient." Watch the full documentary on CNN's "The Whole Story" premiering on May 19 at 8p ET/PT and streaming on MAX on June 18. | CNN | Facebook