Coffee!

• hudax1

  2 Sep 05, 00:48

  Coffee helps to improve IQ or heart-rate?
• the Bear

  2 Sep 05, 00:49

  IQ, not a chance..
  
  heart rate?
  
  drink too much you get tachycardia
• kaobeikaobu

  2 Sep 05, 00:51

  slows down brain...
  heartrate, various outcome...