Who should not drink more than three cups of coffee a day – the answer of scientists
(ORDO NEWS) — Be careful with coffee. This drink can actually be harmful not only to the heart, but also to the kidneys.
Scientists have conducted a new study and warn who should not drink more than three cups a day of this drink.
The study showed that coffee can both protect against chronic kidney disease and lead to dysfunction of these organs.
It was conducted by scientists from the University of Toronto and the Italian University of Padua. Experts have found a link between kidney dysfunction and caffeine.
By the way, genetics, namely the CYPIA2 gene, play an important role in this matter.
The fact is that this gene breaks down caffeine, and its variations affect the time of breakdown.
It turned out that approximately 50% of Europeans have a gene variation that slows down the process of removing caffeine from the body.
Among people from African countries, this percentage is even higher and is approximately 70%.
1180 people aged 18-45 took part in the study conducted by scientists from two universities. All suffered from untreated hypertension stage 1.
The volunteers regularly drank coffee while the scientists monitored their blood pressure. People‘s lifestyle and the amount of coffee they drank were also taken into account.
Next, they underwent a DNA test to detect the CYPIA2 gene. The study included the annual submission of fluids for analysis (blood and urine).
After studying the results, the experts came to the conclusion that the kidneys were in a worse condition in people with the CYPIA2 gene variant. These people were also more likely to have problems with blood pressure.
The leading doctor of the study, Sara Mahdavi, commented on the results of the study as follows: people with the CYPIA2 gene should not drink more than 3 cups of coffee per day, but it is better to reduce the consumption of the drink to 200 mg per day.
Otherwise, kidney problems cannot be avoided.
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