Welcome to Dr. Sem Ravy channel that talk about Healthcare, Mental Health, Nutrition, Healthy Food, Healthy Eating. Please subscribe to get useful videos for your health. The Benefits of Vitamin C – Dr. Sem Ravy Vitamin C is one of…
Take vitamin C supplements when you feel a cold coming on? The problem is, you can’t actually “strengthen” your immune system, says Dr. Jen Gunter. Diving into the elegant network of cells, tissues and organs that protect us every day,…
Visit to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more. What happens if you get infected with the coronavirus? Who’s most at risk? How can you protect yourself? Public health expert David Heymann, who…