Caffeine is a widely consumed substance that is causing the body more damage than most people think. On average, according to MedlinePlus, at least three 8 oz. cups of coffee are being consumed daily. Some individuals drink up to 10 cups of coffee a day, which is categorized as an excessive amount of caffeine. That does not factor in all the other caffeinated products people might be ingesting. Caffeine, which is a nervous system stimulant, is also in tea, chocolate, soda, and even some medications. The side effects of caffeine range from excessive urination, nausea, vomiting, depression, increased heart rate, anxiety, insomnia, and other gastrointestinal issues. These effects may be fleeting, depending on the caffeine consumption, but over time, these symptoms can turn into serious problems.
Sleep Disturbances
On average, most adults need at least 7 to 8 hours of sleep, notes MayoClinic.com. Many individuals are falling way short of that recommendation. They are using caffeine, usually in the form of coffee, to help them stay awake during the day. This caffeine may be a temporary fix, but when an individual is ready for bed in the evening, that same caffeine he ingested during the day, may be the cause of why he cannot fall asleep at night. It may also explain why he wakes up continuously and why he feels tired and run down the next morning.
Mood Issues
Kansas State University notes that caffeine tends to increase the release of insulin in the blood and insulin lowers the blood sugar level. When you have low blood sugar levels, you may feel less sure of yourself, and have low energy levels, which can lead to depression. Although it may seem that coffee and caffeinated foods or beverages may make people appear more focused and alert, it is only matter of time before their nervous systems crash. This can create anxiety, restlessness, depression and mental fatigue.
Gastrointestinal Issues
Excessive caffeine can also lead to gastrointestinal problems. According to the National Institutes of Health, caffeine intake may be directly related to heartburn, gastroesophageal reflux, diarrhea and stomach upset. Caffeine, especially in coffee, stimulates gastric acid secretion, which might explain why people who drink excessive amounts of coffee, complain of a sour or acid stomach.
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