Dude! Check this out!

http://news.bbc.co.uk/1/hi/health/2211652.stm

Caffeine could one day be used to cure skin cancer, scientists believe.

Researchers in the United States have found that caffeine combined with an extract from green tea can kill the disease in mice.

They have discovered that rubbing both substances onto the skin of mice stopped the cancer from spreading and killed all tumours.