The Naked Scientist Podcast has an episode on Vitamin D.(SFW)
Could a ray of sunshine hold the key to preventing MS, diabetes and even bowel cancer? Vitamin D – made naturally in skin exposed to strong sunlight – appears to reduce the risk of developing these, and a rash of other diseases.
They talk about why you are probably vitamin d deficient and the benefits of vitamin d supplementation. This is probably no news to you, but i think this makes a great episode to pass around to your non-fitness friends, parents or relatives.
Link to mp3 (right click and ‘save as’)
For more information got to the Vitamin D page on Examine.com.