Here are 5 things that happen when you drink coffee every day:

Caffeine naturally raises the energy level, activating your metabolism so you can start your day. Even if the effects are short-lived, you can still enjoy extra energy while it lasts.

Drinking one after a workout can even increase the metabolism. A study published in the Journal of Applied Physiology found that endurance athletes who drank one cup after exercise had a 66 percent increase in glycogen in the muscles, helping them to quickly restore muscle reserves. energy used during the exercise.


This drink offers many benefits to your brain – studies have shown that drinking between 3 and 5 cups a day can reduce the risk of developing Alzheimer’s and dementia by 65% ​​in men and women. middle age. Other studies have shown that its daily consumption can reduce the risk of developing Parkinson’s disease, a neurodegenerative disease, from 32 to 60%.

Drinking this drink can also block a particular nucleoside in the brain called adenosine. Adenosine decreases the activation of neurons and the release of beneficial neurotransmitters into the brain. Since caffeine inhibits adenosine, it increases the production of useful chemicals such as dopamine, serotonin and norepinephrine.

In addition, other studies have shown that it improves cognitive performance, mood, reaction time, memory and alertness.


A groundbreaking study by researchers at the Harvard School of Public Healtha found that men and women who drank two to four cups each day had a 50% lower risk of suicide than those who drank decaf or no coffee at all.

In addition, coffee contains a lot of antioxidants, even more so than fruits and vegetables combined. It also contains beneficial nutrients such as vitamins B1, B2, B3 and B5, as well as potassium and manganese.

All of these factors help boost the happiness you will feel by drinking one to three cups of hot coffee each day.


A study published in the Journal of the National Cancer Institute found that elderly people who ate four or more cups of coffee a day had a 20% lower risk of developing malignant melanoma, the most lethal form of cancer. the skin. American researchers believe that coffee protects against certain types of skin cancer because of the large amount of antioxidants and phytochemicals present.


Finally, according to another study conducted by researchers at the Harvard School of Public Health, people who increased their coffee consumption by one cup per day for four years had an 11% lower risk of developing type 2 diabetes mellitus. compared to those who made no change in the amount of coffee they drank. In addition, the study found that those who decreased their coffee intake by more than a cup a day increased their risk of type 2 diabetes by 17%.

Now that you know all the incredible health benefits of coffee, you’re right to drink a few cups a day, or start drinking it if you’re skeptical.

“We want to do a lot of things; we are not in great shape. We did not sleep well. We are a little depressed. The coffee solves all these problems in a charming little cup. – Jerry Seinfeld

Caution :

Caffeine acts as a stimulant on the body, increasing the heart rate. That said, for many years, studies have followed one another to demonstrate both the positive effects of caffeine on the heart and the negative effects. Today, it appears that the positive or harmful effects of coffee vary from one individual to another.

In the first place, everything depends on consumption. Coffee being a stimulant, do not abuse it. In addition, the health status of coffee drinkers must be taken into account to determine the effect: coffee can increase the risk of cardiovascular events if it is overconsumed, but especially if the person who consumes coffee is smoker, overweight, suffers from cholesterol or hypertension, all risk factors.

Coffee, by increasing the heart rate, can be a problem if you have arrhythmia or other heart problems. We are not equal when it comes to coffee, it all depends on our DNA and our state of health.

“Nutritional advice is tricky to give, because many things – like coffee – can be bad for some health states and individuals, but good for others consumed in moderation,” says El-Sohemy. However, he is particularly cautious about energy drinks: “The high levels of caffeine in these products, which also tend to be very high in sugar, have no health benefits.”

According to Ahmed El-Sohemy, “the manufacturers of these energy drinks are pushing the limits in terms of caffeine concentration. Some have up to 500 milligrams per can. In comparison, a typical cola can contains 34 mg and a large cup of coffee 80 to 100 mg . (source)

For women who want to get pregnant: Some studies have shown that caffeine can have a negative influence on a woman’s ovulation. Even though scientists still have trouble understanding it. To be careful, avoid drinking more than a cup of coffee or more than a glass of coke a day.

Coffee is to be avoided during pregnancy but you can drink it in moderation (a small cup a day) … because excessive consumption of caffeine can have harmful effects on the fetus.

“Caffeine: how much can we safely eat? », Efsa website searchable on

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