Caffeine is a mild stimulant that can improve brain activity and increase excitability. Problems may arise in denial of it, because it implies dependence. Cause insomnia. Accelerates the action of mineral substances in bone tissue. In sensitive people causes migraine. Overuse of caffeine can provoke strong palpitations and tremors.
Caffeine is contained mainly in coffee and tea, but also present in chocolate, cola and some medicines for cold and pain. Caffeine stimulates the heart and central nervous system and can improve the mental activity when the brain is stuck. It also stimulates production of oxygen from the stomach, improves circulation and contribute to the hyperventilation of the lungs. Although relatively non-toxic to it may occur depending. High doses provoke tremors, sweating, severe palpitations, fast heart beat, insomnia and migraine attacks.
The coffee must not quit abruptly because this may lead to headache, irritability. Caffeine contained in the drinks and chocolate, cause insomnia in children. The child will sleep difficult, if evening ate one chocolate or drunk 2-3 cups of Coke. People also had a heart attack need not necessarily give up caffeine, but simply to drink with tea and coffee measure. Doctors advised to drink no more than 6 cups of coffee or tea daily.People with high blood pressure and heart problems or kidney to reduce and possibly exclude the use of these beverages.
Coffee is on record caffeine content, but it is the main ingredient in chocolate, tea and some medicines.
Caffeine content in milligrams in 1 cup (150 ml) or 125 g of the product
– Ground coffee is 115 mg,
– Instant coffee – 65 mg
– Cacao – 4 mg
– Tea – 40 mg
– Coca-Cola – 18 mg
– Chocolate beverage – 3mg,
– without caffeine coffee – 3
– Dark chocolate – 80 mg
– Milk chocolate – 20
– Two painkilling tablets – usually about 60 mg.
The results of a recent scientific study of English scientists, people who drink more than 5 cups of coffee a day are subjected to a lesser degree of risk of cardiovascular disease and those who drink less sick more often. According to the same from among the highest number of heart disease occur in people who never drink coffee. These paradoxical and unexpected results surprised many – even those who for many years engaged in research on the influence of coffee. Traditionally believed that the use of tea or coffee provokes heart disease. Results from recent surveys are not sufficient to fully adopt the use of caffeine, but the occasion to review the medical part of their traditional beliefs.