Sperm Wars.

Memo to all those men who like to make jokes about childless women and their barren, shriveled-up uteruses: turns out you’re actually more likely to fall off the deep end without your reproductive capabilities fully realized.

According to CNN.com:

Men who have had a vasectomy may face an increased risk of developing a rare type of dementia marked by a steady loss of language skills, researchers said Tuesday.

The study’s author Sandra Weintraub explained that after a vasectomy, sperm are often leaked into the bloodstream, which can cause all sorts of havoc:

Antibodies produced by the immune system in response to the sperm might trigger damage that causes dementia, she said.

Toxic sperm???!!! Ha! This might explain why we once developed a horrible rash on our right cheek after letting a guy come on our face. (We were young and stupid.)

[CNN]