Does Diesel Pollute More Than Petrol?

This week, how Tetris could hold the key to blocking the bad memories and flashbacks behind post traumatic stress disorder and how an old drug could provide a new answer to neuroprotection from Parkinson's Disease. Also, why dark skin is more prone to scarring, is diesel a worse polluter than petrol, and does soap just detach bacteria from the skin, or kill them? Join Dr Chris on Talk Radio 702 to find out...