However, coffee is still the main element of caffeine. Caffeine is a chemical substance derived from plants that can stimulate the brain and nervous system. Caffeine is classified as type alkaloids, also known as trimetilsantin. Not only on coffee, caffeine is also found in tea, cola, chocolate, energy drinks (energy drinks), as well as drugs.
In a cup of coffee caffeine content of about 80 to 125 milligrams. A cup of black coffee or espresso or filter coffee about 80 mg. Who's in instant coffee about 65 mg of caffeine. One can of cola soft drinks contain about 23 to 37 mg. Tea contains about 40 mg, while an ounce of chocolate contains about 20 mg of caffeine.
To this day have not found any scientific research that states consume caffeine in normal levels hazardous to health. However, excessive caffeine consumption can cause many problems, such as discoloration of teeth, bad breath, increased stress, heart attacks, sterility in men, digestive disorders, addictions, and even premature aging. The main causes of headaches are also suspected one of them is caffeine.
Consuming coffee in the morning in excessive amounts can increase blood pressure, stress levels, and triggering production hormone that causes stress for one full day. Caffeine in coffee stimulates the adrenal glands, which can increase one of the causes of stress after 18 hours.
Caffeine in coffee has the potential to increase blood pressure and heart rate is widely reported to be the cause of most of the emergence of a sense of prolonged stress on weekdays. These effects are usually still will carry over into the evening before bedtime. Caffeine can cause electrical discharge process of excessive and irregular from the baby's brain cells due to lack of oxygen and can cause damage to brain cells in particular parts of the brain that controls memory.
Some reports also mention that the coffee can interfere with the digestive tract by increasing the acidity of the stomach. As a result of drinking too much coffee causes injury to the wall of the digestive tract. Coffee can also reduce the production of DHEA and other anti-aging hormones so is expected to drink coffee to speed up the aging process. Caffeine is also a diuretic (a substance that makes people spend more urine).
Women who regularly drank two or more cups of coffee per day can increase your risk of bone loss (osteoporosis). The impact of caffeine on pregnant women may be more or less will affect the fetus. However, normal consumption of caffeine in everyday life is generally not to give effect to the fetus.
Caffeine in coffee drunk women during pregnancy was also shown to enter the fetal brain. And while the level of oxygen delivery to reach your baby often decreases. Therefore, pregnant women should avoid or do not drink coffee to excess. Results of other studies mentioned, infants whose mothers drank too much coffee during pregnancy have higher risk of epilepsy.
In men, estimated to consume too much caffeine can cause infertility because it can reduce sperm count or even destroying it. Some couples who have fertility problems labored to reduce the consumption of food or beverages containing caffeine.
Addiction to caffeine is estimated to occur if you consume more than 600 milligrams of caffeine. Or equivalent with five to six cups of coffee 150 ml per day, for 8-15 consecutive days. Doses of caffeine that can be fatal is about 10 grams of caffeine. However, the actual dose varies by weight. The average is about 150 milligrams of caffeine per kilogram of body weight. If measured with a treat of coffee drinks, fatal dose is equivalent to 50-200 cups of coffee per day.
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