Most of us like to have a cup of coffee in the morning to give us some energy to help us to do our tasks during the day, and also to avoid the feeling of sleep or fatigue that might occur due to a lack of sleep. According to research from the U.S. Food and Drug Administration, about 80 percent of American adults consume caffeine every day. It’s a central nervous system stimulant and the world’s most widely consumed psychoactive drug. However, caffeine does not only keep you awake, but it has so many other effects on your body in different ways.
Caffeine is an ingredient that is classified by the FDA to be generally safe. More than 10 grams per day is significantly higher for an adult than the recommended dose of fewer than 500 milligrams per day. Indeed, A cup of coffee contains 80–175 mg of caffeine, based on the use and preparation of the seed.
How does the caffeine affect your brain?
Caffeine functions as a stimulant for the central nervous system that reduces fatigue and sleepiness. The most obvious effect is attention as it reaches the brain. It will make you more awake and less tired.
This Ingredient can potentially prevent sleep, improving the performance of tasks during insufficient sleep. Most people that work during nighttime drink coffee to help them to get through their shifts, that’s why caffeine is a common ingredient in many medications to control moderate health problems such as headaches, and drowsiness.

According to several studies, people who drink coffee often have a lower chance of developing Alzheimer’s and dementia. Caffeine has multiple effects on education and memory at normal doses, it typically increases response speed, wakefulness, attention, and muscle coordination.
Other effects associated with Caffeine
For many people, coffee is considered to be a healthy drink, however, like most food, overconsuming can cause negative side effects.
If you are a person who drinks more than four cups of coffee every day, you are going to have some side effects if you try to cut back drinking such as:
- Headache
- Insomnia
- Nervousness
- Fast heartbeat
- Muscle tremors
Not only that, an overdose can lead to death due to serious health issues, but it’s very rare. Usually, that could happen when consuming large amounts of caffeine, which exist as an ingredient in energy drinks or diet pills. Try not to go over 4 cups of coffee per day, which equals 400 mg of caffeine that is considered to be safe according to the Mayo Clinic.
Because of caffeine, the amount of acid in your stomach may increase, and therefore, that could cause heartburn or a stomachache. Moreover, your body does not store the extra caffeine inside, however, the liver takes care of its procession then it exits through the urine. This is why soon after you have caffeine, you are more likely to have a rise in urination.
Make sure to talk to your doctor if you have any of these symptoms, so you know if it’s okay for you to keep taking things that contain caffeine like coffee.

The bottom line
It is known that caffeine is usual in our daily meals since most of us like to drink at least one cup of coffee per day. That’s totally fine, however, you must be aware of the side effects that it can cause. You need to try to limit your daily amount to no more than two cups of coffee a day, and consult your doctor If you have any of the symptoms mentioned earlier to take quick actions to stop its negative effects on your body.
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