Caffeine is present in Coffee, Cocoa and Tea.   Mechanism of action: Caffeine gives stimulation to the brain and causes more secretion of adrenaline and nor adrenaline which in turn stimulates nervous system.     Effects of Caffeine on Health:   When taken in small quantities:   1. It stimulates heart muscles.   2. It increases blood circulation.   3. It temporarily increases blood pressure.   4. It increases secretions in the stomach.     When Caffeine is taken in large quantities:   1. It increases heart rate.   2. It decreases sleeping tendency, headache and displeasure.   3. Causes diarrhea and frequent urination.   Caffeine Addiction: Taking Caffeine in moderate amounts (2-3 cups of coffee) cause no ill effects on the body. Due to increased stressful work hours, caffeine addiction is gradually rising.   If a habituated person stops taking caffeine, with drawl symptoms develop in the body.   With drawl symptoms of the Caffeine:   1. Fatigue, anger and despair. 2. Depression and changing of moods.   3. Sleeplessness and loss of tolerance power.   These signs and symptoms begin to appear after 12-24 hours after stopping the caffeine intake. In order to prevent with drawl symptoms, one had to reduce caffeine intake gradually.   Please comment on the article.   … [Read more...]