Coffee can have beneficial effects on the human body, as long as it is not overused. Consumed in excess, this hot energy drink can indeed cause several inconveniences.
DEHYDRATION
Since caffeine has a diuretic effect, drinking too much coffee can cause dehydration in particular. If you are more thirsty than usual or have the urge to urinate regularly, this may be a red flag.
POOR QUALITY SLEEP
The caffeine in coffee delays falling asleep and affects the quality of sleep. As the National Institute of Sleep and Vigilance (INSV) explains, this substance fragments sleep and induces micro-arousals
In the morning, we feel tired, less toned, and we have only one desire: to drink black coffee to boost ourselves. A real vicious circle.
DIGESTIVE DISORDERS
Note that coffee stimulates the secretion of hydrochloric acid, a substance that helps digest food, and can cause stomach upset and abdominal pain. Stomach pain, diarrhea ... In case of abuse, these symptoms can appear.
As a reminder, in a healthy adult, the EFSA (European Food Safety Authority) recommends not to exceed 400 mg of caffeine per day.
ANXIETY
Caffeine promotes the release of the stress hormone cortisol, secreted by the adrenal glands. When you wake up, this has the effect of giving the body a boost. But going over coffee can be counterproductive and make the individual nervous and anxious.
People who drink too much coffee can have a bit of tachycardia, have small tremors, have trouble staying in place, and lack attention. While below 400 mg, this drink is on the contrary known to improve concentration and memory.
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