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Caffeine

Caffeine. The World’s Most Popular Psychoactive Drug. History. Coffee Bean (and Caffeine within it) are rumored to have been discovered in Egypt in 850 AD Inspired the Enlightenment Era Wine/beer (Alcohol) was primary beverage consumed Alcohol acts as a depressant

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Caffeine

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  1. Caffeine The World’s Most Popular Psychoactive Drug

  2. History • Coffee Bean (and Caffeine within it) are rumored to have been discovered in Egypt in 850 AD • Inspired the Enlightenment Era • Wine/beer (Alcohol) was primary beverage consumed • Alcohol acts as a depressant • Sedates and inhibits intellectual thoughts • Coffee (caffeine) became more readily available • Caffeine acts as a stimulant • Doesn’t inhibit higher level thinking Coffee Video Click Here!

  3. What is Caffeine? • Bitter-tasting white powder • Stimulant Drug • Found in Coffee Beans, Chocolate, Kola Nuts • Affects Central Nervous System • World’s most Common Psychoactive Drug

  4. zzzz How Caffeine Works? • Adenosine bonds to Receptor Cells in Brain • Calming effect produced • Creates sleepy feeling • Caffeine binds to same Adenosine receptors • Stimulates nerves instead of relaxing • Increases heart rate and blood pressure • Increased alertness / “awake feeling”

  5. Health Effects? • Short-term • Feel happier!  • Possibly improves memory • Improves concentration • Improves alertness • Increases endurance (20+ minutes) • Dehydration • Heartburn

  6. Current Ongoing Studies • Moderate Consumption connected with decreased chance of getting certain diseases • Parkinson’s Disease • Type II Diabetes • Hepatic Diseases • Cardiovascular Disease

  7. Overdose? • Possible but unlikely • Unlikely from drinking caffeinated beverages • Powdered or Pill form can be lethal • Estimated 1 gram of Caffeine to overdose • Lethality rate = mass (kg) X 150 mg

  8. Addiction • Scientifically classified as “dedicated habit”; not addiction • Withdrawal symptoms occur • Headache • Tired • Crankiness • No psychological dependence • Doesn’t trigger reward circuits

  9. World and U.S. Consumption • U.S. imports the most • Coffee beans are grown in the tropics (“Coffee Belt”) • Who drinks the most coffee per capita? • Finland is #1 • Drinks about 3x as much as US • 90% in US population consumes caffeine • 80% use daily • Average intake is about 250 mg (about two cups of coffee)

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