What does exercise do to your brain? Can psychedelics treat depression? From smart daily habits to new medical breakthroughs, welcome to TED Health, with host Dr. Shoshana Ungerleider. TED speakers answer questions you never even knew you had, and share ideas you won't hear anywhere else, all around how we can live healthier lives.
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Could the sun be good for your heart? | Richard Weller
Our bodies get Vitamin D from the sun, but as dermatologist Richard Weller suggests, sunlight may confer another surprising benefit too. New research by his team shows that nitric oxide, a chemical transmitter stored in huge reserves in the skin, can be released by UV light, to great benefit for blood pressure and the cardiovascular system. What does it mean? Well, it might begin to explain why Scots get sick more than Australians ...