The Man With Green Perspiration

Say hello to Cheng Shunguo. Cheng has a rather unusual condition. That piece of cotton he's holding--the one that's bright green? It wasn't dipped in a bucket of floor cleaner or a cup of slurpee syrup. That green piece of cotton is covered in Cheng's perspiration. Yes, that's right. Cheng's sweat is bright green.

Doctors in China have no idea what's causing the condition. Cheng is otherwise healthy, and tests have revealed no evidence of disorders of any sort. (Perhaps he's turning into the Incredible Hulk?)

Read more here.

Update: Apparently those doctors don't have access to the Internet. The condition is called chromhidrosis. And not only can it cause green sweat, but pink, blue, yellow, and black sweat as well!