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

906K views · 1.3K reactions | Supplements can be beneficial depending on your goals, medical history, and if the benefits outweigh the risks for you. It’s always best to discuss with your doctor prior to starting any supplement, to also make sure you are taking the correct dose for you. Will make more videos going into more detail on each of these. 﫡 | Kunal Sood, MD | Facebook

336K views · 3.6K reactions | Upper Class Life | Timeline - World History | Facebook

24K views · 342 reactions | This simple bit of equipment was lifesaver in the trenches of World War One ⛑️ It increased your chances of survival by up to 80%! | Timeline - World History | Facebook