The caffeine present in coffee gives us instant energy, but the question is how much coffee is beneficial, and when does the same coffee start causing harm?

Nowadays, coffee is no longer just a drink; it has become the beginning of many people's day. Some drink coffee as soon as they wake up, while others consume several cups throughout the day. The caffeine in coffee gives us instant energy, but the question is how much coffee is beneficial and when it starts to cause harm. So, let's find out how many cups of coffee a day are beneficial.

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According to research, people who drink coffee in moderation in the morning have a lower risk of death from several serious diseases. Drinking coffee in the morning makes the body alert, improves mood, and provides energy to work throughout the day. Doctors say that morning is the best time to drink coffee, as the body can better utilize caffeine then.

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A cup of black coffee contains approximately 100 mg of caffeine, just 2.5 calories, sodium, potassium, and magnesium, polyphenols, and antioxidants. These elements promote heart health, prevent fat accumulation in the liver, protect skin from damage, and reduce inflammation in the body. This is why coffee is no longer considered as completely harmful as it once was.

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Drinking coffee in moderation reduces the risk of heart disease and stroke, may reduce the risk of type 2 diabetes, protects the liver (both decaffeinated and decaffeinated), speeds up metabolism, and aids weight loss. For this reason, even medical experts now consider coffee a beneficial beverage.

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According to experts and the FDA, a healthy person should consume no more than 250–400 mg of caffeine per day. This equates to two cups of coffee. Two cups of coffee per day is considered the safest and most beneficial. Everyone's body is different, so some people may experience effects after just one cup.

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The caffeine present in coffee can remain in the body for 12 to 14 hours. If you drink coffee after 4 pm, it can disturb your sleep, the brain remains overly active, fatigue can increase, poor sleep harms the heart, brain and immunity in the long run.

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If you drink too much coffee, the same caffeine that supposedly provides benefits can also cause harm: restlessness and anxiety, increased blood pressure and heart rate, insomnia, headaches, and lack of concentration. Experts say that people with high blood pressure or heart problems should be extra cautious with caffeine, especially before a doctor's examination.