Age....

gdrill said

18.
Your supply of brain cells is finally
​

down to a manageable size.​

Click to expand...

Actually...


http://www.cracked.com/article_1937...-quoted-brain-facts-that-are-total-bs_p2.html

EDIT: That's actually the second page of the article, addressing your brain and aging. The first page of the article includes a section about the myth that you lose brain cells and can't regrow them :)