I started eating dark chocolate every day because I learned some of the benefits it supposedly has. Today I didn't have any, and got a big headache. Then I remembered not eating any dc today, so I had a piece... now the headache is gone. Is it the caffeine? Is it something in dark chocolate that is addictive?

I'm already addicted to coffee and have a cup every morning or suffer with a bad headache all day. I hope this isn't another addiction I'll have to support.