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.
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