First, researchers grew enough fungus to give dandruff to 10 million people, next, they sequenced its genes. They found that not only does an icky fungus live on your head and cause dandruff - but it could be having sex. On your head. Right now.
Posted by: soxmuscle
If I don't use Head and Shoulders in the winter, my scalp gets dry and I get dandruff. Stop having sex on my head, damnit.