title: Caffeine-Not just a stimulant.
abstract: OBJECTIVE
  The beneficial effects of human caffeine consumption deserve clarification.
  
  
  METHODS
  A detailed literature review was conducted and summarized.
  
  
  RESULTS
  A large body of scientific evidence describes the beneficial effects of human caffeine consumption on a number of physiologic systems.
  
  
  CONCLUSIONS
  The consumption of moderate amounts of caffeine 1) increases energy availability, 2) increases daily energy expenditure, 3) decreases fatigue, 4) decreases the sense of effort associated with physical activity, 5) enhances physical performance, 6) enhances motor performance, 7) enhances cognitive performance, 8) increases alertness, wakefulness, and feelings of "energy," 9) decreases mental fatigue, 10) quickens reactions, 11) increases the accuracy of reactions, 12) increases the ability to concentrate and focus attention, 13) enhances short-term memory, 14) increases the ability to solve problems requiring reasoning, 15) increases the ability to make correct decisions, 16) enhances cognitive functioning capabilities and neuromuscular coordination, and 17) in otherwise healthy non-pregnant adults is safe.
authors.affiliation: The Nutrition Doctor, Skokie, Illinois, USA. the_nutrition_doctor@yahoo.com
authors.forename: Michael J
authors.initials: MJ
authors.lastname: Glade
mesh_terms: D001288:Attention / Q000187:drug effects; D002110:Caffeine / Q000494:pharmacology* / Q000627:therapeutic use; D000697:Central Nervous System Stimulants / Q000494:pharmacology* / Q000627:therapeutic use; D004734:Energy Metabolism / Q000187:drug effects*; D005221:Fatigue / Q000517:prevention & control*; D006801:Humans; D008606:Mental Processes / Q000187:drug effects*; D008517:Phytotherapy; D010936:Plant Extracts / Q000494:pharmacology* / Q000627:therapeutic use; D011597:Psychomotor Performance / Q000187:drug effects
chemical_list: D000697:Central Nervous System Stimulants; D010936:Plant Extracts; D002110:Caffeine