International Coffee Day: The Benefits and Harms of the Drink, How Many Cups a Day You Can Drink

Coffee is one of the most popular morning energy drinks in the world. Millions of people around the world can’t imagine starting their day without a cup of aromatic drink. Coffee Day is celebrated annually on October 1.

The popularity of coffee in the world is undeniable. According to, more than 2.25 billion cups of the invigorating drink are drunk every day, and this figure reaches 0.82 trillion in a year. The most popular drinks are espresso, latte, cappuccino, flat white, and Irish coffee. The largest coffee consumption is in the European Union, the United States, Brazil, and Japan.

Coffee is most popular among the following professions:

  • management personnel in the field of education;
  • writers and proofreaders;
  • chefs
  • scientists and professors
  • therapists
  • PR and marketing professionals.

The benefits and harms of coffee.

Despite the fact that thousands of papers have been published on the benefits and harms of the drink on the body, scientists have not been able to come to a single conclusion. Caffeine, which is contained in the drink and causes scientific controversy, affects the body in the following ways

  • stimulates the nervous system;
  • is a strong diuretic;
  • activates heart contractions.

These are the factors that can be beneficial, and they can also play a cruel joke if you drink the drink uncontrollably.

Drinking coffee in moderation increases the production of dopamine, the hormone of joy that can boost mood and mental and physical activity.

In addition, caffeine can be an excellent natural painkiller that will help with headaches caused by vasospasm.

Regular consumption of coffee reduces the risk of prostate, liver, breast cancer, and diabetes.

The dangers of coffee

Despite its benefits, the invigorating drink can cause health problems. The harmful properties of the elixir are that it:

  • flushes calcium out of the body;
  • increases cholesterol content;
  • can provoke a miscarriage;
  • increases the risk of esophageal cancer when consumed as a hot drink.

Coffee: contraindications.

In some cases, you should avoid drinking coffee. A cup can be dangerous in the following cases:

  • hypertension and other cardiovascular diseases;
  • sleep problems;
  • gastrointestinal diseases;
  • breastfeeding;
  • renal failure and urolithiasis;
  • chronic fatigue.

How many cups of coffee can I drink per day?

The norm of caffeine consumption for an adult is 100-200 mg per day. For example, cappuccino contains 70-80 mg of the substance, espresso 30-60 mg, and coffee brewed in a coffee maker 65-120 mg. The optimal amount of coffee drunk per day should not exceed 3-5 cups.

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Written by Emma Miller

I am a registered dietitian nutritionist and own a private nutrition practice, where I provide one-on-one nutritional counseling to patients. I specialize in chronic disease prevention/ management, vegan/ vegetarian nutrition, pre-natal/ postpartum nutrition, wellness coaching, medical nutrition therapy, and weight management.

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