The expert emphasized that most energy drinks contain caffeine, which in small doses stimulates mental abilities, has a good effect on the vascular system and increases the tone of the body.

"Caffeine in normal levels strengthens the heart muscle ... But an overdose leads to apathy, lethargy, drowsiness and can cause a decrease in reactions," Alekseeva explained.

In addition, various additives and dyes are present in the composition of energy drinks, the doctor noted.

According to her, such substances can only worsen a person's condition, cause an allergic reaction, including bronchospasm.

“You have to be careful with this too.

It is better to drink natural coffee, tonic teas, for example, with ginseng root or with Chinese lemongrass, ”said the therapist.

She added that for an elderly person, drinking such drinks can end up tragically.

In addition, the doctor emphasized that the constant use of energy drinks leads to severe dehydration and depletion of the body, as well as to early heart attacks and strokes.

“Coffee is safer.

Two cups of coffee a day can lower the likelihood of myocardial infarction - yes, that's for sure.

These data were obtained precisely in those countries where people have a rest during the daytime, where there is a siesta, ”concluded Alekseeva.

Earlier, a gastroenterologist, nutritionist Nuria Dianova told RT how many cups of coffee a day can be drunk without harm to health.