Ever tried to quit coffee? Our nutrition biologist Simone Gabrielli did it for a week, and the result was headaches, zero energy, and a lack of concentration. But why does this happen? It's all due to adenosine and how our brain reacts to caffeine. So should we quit drinking coffee? No, just don't overdo it. Simone explains how to avoid side effects and enjoy coffee without risks.
What Happens When You Stop Drinking Coffee
When you drink coffee, caffeine acts like an impostor: it binds to adenosine receptors and blocks the fatigue signal. The result? You feel more awake… but it's all an illusion. There's a problem, though: your brain isn't so easily fooled. If you drink too much coffee, it takes action: it creates new receptors for adenosine, the central nervous system substance that regulates the sleep-wake cycle. So what? You have to drink more and more coffee to achieve the same effect. This phenomenon is called caffeine tolerance. That's why, if you suddenly stop drinking coffee, you may feel more tired than if you'd never drank enough coffee to get a headache.
How to Avoid Caffeine Withdrawal
So should we stop drinking coffee? Absolutely not; in fact, drinking coffee can have several health benefits. To avoid caffeine overdose and subsequent withdrawal, it's advisable to follow these rules:
- Don't drink too much coffee: It's a simple piece of advice, but it's best not to exceed 300 mg of caffeine per day, equivalent to about 3-4 cups of coffee. We're talking about healthy adults, but these amounts may vary depending on the situation.
- don't drink coffee in the late afternoon or evening: so as not to have insomnia problems during the night;
- don't drink coffee as soon as you wake up: it's better to wait at least half an hour or forty minutes, to allow the brain to wake up naturally;
- Avoid sudden periods of abstinence: but if it happens to you for a few days you can try to gradually reduce it.
So, is coffee a friend or a foe? It depends on how you use it. If you drink it in moderation, it gives you a boost without any side effects, but if you overdo it, your brain rebels and will make you pay.
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