0.99$ for a Limited Time only Regular price - $2.99. Read on PC, Mac, Phone, Tablet or Kindle Caffeine delivers both advantages and disadvantages to the human body; and while there are still debates and studies that either confirm or deny that caffeine is addicting, there are plausible reasons for this substance to cause cravings. You might have tried your best in the past to get over this addictive habit but failed always. But the truth is you are...