And this is ongoing work, but dermatologists I mean, I'm a dermatologist.

In the dermatologist clinic, a 60 year old man came for consultation with her little grandson.

So, before I became a dermatologist, I started in general medicine, as most dermatologists do in Britain.

Well, I'm an experimental dermatologist, so what we did was we thought we'd have to expose our experimental animals to sunlight.

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 ...