Coffee contains caffeine which, in excess, can be harmful to your health. Coffee is the seed of the fruit of the coffee tree, a shrub of the Rubiaceae family native to Sudan and Ethiopia. The most popular form in which it is known is as a beverage.
The consumption of coffee cannot be separated from the effects of caffeine on the body. It is a bitter, stimulating substance that is found naturally in more than 60 plants, including coffee beans. Caffeine blocks adenosine, which regulates sleep and tiredness. Caffeine does not give energy, it hides the symptoms of fatigue.
What happens if you consume too much caffeine? Exceeding the amount of coffee you drink in a day could cause anxiety, insomnia, irritability, nausea, nervousness, increased blood pressure, headaches, and lack of concentration. If you experience any of these symptoms, reduce your coffee consumption and tell your doctor.
Daily limit of coffee
For healthy adults, 400 mg per day is recommended. Consider that this amount is not fixed and that caffeine tolerance will depend on each person. Some factors that can intervene in your reaction to caffeine are whether you are used to its consumption or the amount you ingest.
Avoid drinking coffee if you suffer from sleep problems, including insomnia, migraines or other chronic headaches, and anxiety. Also if you have a fast or irregular heartbeat, high blood pressure, and gastroesophageal reflux or ulcer. The consumption of coffee is not recommended in minors or during pregnancy and lactation.