• Caffeine is a central nervous system stimulant that can lead to addiction.  
  • Caffeine-related medical conditions.  Not everyone who drinks caffeine will have a negative health consequence.  However, both the quality and the quantity of life can be affected by the misuse of caffeine.  
  • Mild conditions can include jitteriness, agitation, insomnia, difficulty concentrating, and rapid heart rate.  It can lead to a decrease in cerebral blood flow in adults and could increase the chance of compromising long-term growth
  • High caffeine intake can cause serious problems such as elevated blood pressure, gastrointestinal disorders, and even osteoporosis. Other commonly known physiological effects of caffeine consumption include acid reflux, urinary incontinence, restless leg syndrome, tremors, irritable bowel syndrome, and atrial fibrillation.  Research also indicates a close relationship between caffeine use and elevated cholesterol levels and, potentially, coronary heart disease.  
  • Other mood disorders negatively affected by caffeine include ADHD, premenstrual dysphoric disorder, anxiety and even depression.  
  • Deaths have also been reported as a direct result of caffeine overdose. 
  • Ingesting more than 350 mg of caffeine a day can lead to dependency on the drug, and the withdrawal symptoms make this drug increasingly difficult to quit over time.
  • The amount of caffeine in a 12 oz. drink varies greatly.  
41 mg.     Caffeine     Regular Cola
47 mg.     Caffeine     Tea, brewed
57 mg.     Caffeine     Coffee, instant
107 mg.   Caffeine     Coffee, brewed
120 mg.   Caffeine     Weak Energy Drink
220 mg.   Caffeine     Average Energy Drink
500+ mg. Caffeine     Extreme Energy Drink 
Additional Resources

(Resources for the Caffeine topic)

Thomas J. Boud, MD, "The Energy Drink Epidemic,"Ensign, Dec. 2008.  

Russell Wilcox, “Energy Drinks:  The Lift That Lets You Down,” New Era, Dec. 2008.

See Sharon Worcester, “Energy Drinks Trends Alarm Some; No Data Back Safety,” Family Practice News, Feb. 1, 2007, 1.  

See David K. Stevenson, “On the Caffeination of Prematurity,” The New England Journal of Medicine, Nov. 8, 2007, 1967-68.  

See Clifford J . Stratton, “Caffeine—the Subtle Addiction,” Ensign, June 1988, 60-61.

See Worcester, “Energy Drink Trends Alarm Some,” 45

See Sarah Kerrigan and Tania Lindsey, “Fatal Caffeine Overdose: Two Case Reports,” Forensic Science International, Oct. 4, 2005, 67-69.  

James O’Keefe, MD, and Joan O-Keefe, RD, The Forever Young Diet & Lifestyle, 2006, 233.