The safe dose of caffeine for an adult is 400 mg per day. Constantly exceeding this norm can lead to overdose, which can lead to serious consequences, especially for people with heart disease and children. said Gemotest laboratory expert Ekaterina Kashukh in a conversation with Pravda.Ru.
According to the expert, a 30 ml cup of espresso contains 60-70 mg of caffeine, while a cup of weak black or green tea contains 40 mg of caffeine. “This means you should not drink more than 5 cups of coffee or 10 cups of tea a day,” Kashuh emphasized.
The expert says that for the nervous system, caffeine is a stimulant that makes you more alert, helps you concentrate and improves your mood, but with excess caffeine, all its positive properties decrease to zero and can harm the body. warns.
Symptoms of caffeine overdose include chills, headache, nausea, tremors, tachycardia, excessive sweating, dizziness, cramps, and diarrhea. For minor symptoms of caffeine excess, it is recommended to drink more water, go for a walk, and stay away from caffeinated drinks for a while. For more severe symptoms, it is better to seek medical help.
An overdose of caffeine can lead to serious consequences, including death, for children and adolescents, as well as people with cardiovascular or kidney diseases. Additionally, overdoses occur more often from energy drinks or caffeine tablets. Therefore, one serving of energy drink may contain 200 mg of the substance, the effect of which is enhanced by other ingredients.
Scientists before I learnedIt is stated that low-calorie drinks containing caffeine (tea, coffee without milk) help reduce the amount of fat in the human body and accelerate metabolism.