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Coffee has become the Ritual for the start of the day For millions of people. However, the feeling of energy it produces is not real.
The scientific disseminator and biomedicine expert Sandra Ortonobesknown in networks like Hyperactinhe explains: everything begins with adenosine, a molecule that accumulates in the brain as we remain awake. Its function is to warn that we need to sleep. The caffeine, with a very similar structure, advances and occupies those receptors, blocking the fatigue signal.
“What happens is that your brain stops detecting fatigue, even if your body remains exhausted”Explains Ortonobes. The result is a false sensation of energy that, in reality, is only a temporary disguise of accumulated fatigue.
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Coffee does not wake up: cheats the brain
What really happens in the body
This explanation coincides with what was collected by the European Food Information Council (EUFFIC). As detailed, caffeine when blocking adenosine receptors causes neuronal activation and liberation of neurotransmitters such as dopamine or norepinephrine. This chemical cocktail is what generates the concentration and alert state that we associate with coffee.
But it is not about magic, but a passing effect. Caffeine can be kept active during some five hours in the organism. When metabolizing, accumulated adenosine during all that time acts at once, generating the well -known “downturn” of coffee: sudden tiredness, lack of concentration or drowsiness.
CONSUMPTION BENEFITS AND LIMITS
Does this mean that coffee is harmful? Not necessarily. According to him EUFFICmoderate consumption – until 400 mg of caffeine a day, equivalent to about four cups of filtered coffee – can be integrated into a healthy diet and improve concentration, physical performance or alert state.
The problem comes with excess or especially sensitive peoplewhere it can cause insomnia, nervousness or digestive discomfort. In addition, the daily custom can generate dependence, and suppress it sudden Psychopharmacology.
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