Coffee is a stimulating drink that can be beneficial if you drink it in moderation. It can increase your energy, alertness and even your ability to concentrate. In the long term, coffee consumption has also shown positive effects on your brain health and heart. However, due to caffeine, drinking too much coffee can have negative effects.
Not all people have the same sensitivity to the effects of caffeine and metabolize it at the same rate. Some people may be more tolerant of high amounts of caffeine, while others are more sensitive and may experience unwanted symptoms even when drinking moderately.
Caffeine speeds up your central nervous system. High caffeine can make you feel anxious or nervous. Moderate consumption can also have similar effects on sensitive people to caffeine or those who suffer from anxiety problems.
In small quantities, the caffeine intake can help reduce the headache. Mayo Clinic notes that “caffeine can relieve migraine pain in its early stages or it can enhance the analgesic effect of acetaminophen (Tylenol or others) and aspirin. ”
If you are a coffee lover and drink too much caffeine for a long time, you could get a withdrawal headache.
Coffee can stimulate the bowel movement and drink too much may cause diarrhea in some people.
In sensitive people, coffee can irritate the stomach. This drink increases the release of acid in the stomach, which is why several cups of coffee can cause upset stomach or heartburn, especially in those with gastroesophageal reflux disease.
The Harvard Nutrition Source notes that high amounts of caffeine can cause unwanted heart palpitations in some people.
In high doses caffeine can cause an increase in blood pressure of temporarily. Mayo Clinic explains that caffeine does not have a long-term effect on blood pressure. Suggest that if you have high blood pressure and are concerned about the effects of coffee, you can limit yourself to 200 milligrams of caffeine (2 8-ounce cups).
Drinking coffee in excess can increase the time to fall asleep, cause insomnia symptoms or worsen pre-existing insomnia. caffeine can cause frequent night awakenings and a poorer quality of sleep ”, publishes Sleep Foundation.
The time it takes your body to eliminate the 50% of caffeine is between 3 and 5 hours. The remaining caffeine can stay in your body for a long time according to the American Academy of Sleep Medicine.
Caffeine has a diuretic effect, therefore, when you drink more coffee than usual you may experience an urgent need to urinate frequently .
A moderate amount of coffee is 3 to 5 cups a day. The Food and Drug Administration (FDA) has mentioned 400 milligrams per day as an amount not generally related to Dangerous negative effects in healthy adults. An eight-ounce cup of coffee contains approximately mg of caffeine.
In pregnancy, caffeine intake is limited to no more than 200 mg per day.
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