Wait, before you all drink up, check out the CAFFEINATED documentary (the actual documentary starts at 4:19). Ever wonder why Barack Obama doesn't drink coffee?
Same here. I love coffee but as with other drugs I get this vague notion that it's not always good for me. There's plenty of research over at http://pubmed.com and http://liebertpub.com if you're interested.
Pt. 1: https://www.youtube.com/watch?v=0OecTZBjFvw#t=259
Pt. 2: https://www.youtube.com/watch?v=qncmE7O7wg4