Can coffee actually reduce the risk of kidney injury?

A recent study, published in Kidney International Reports, showed that drinking two to three cups of coffee a day may reduce the risk of kidney disease by 23 percent, but the result should not be taken at face value.

“It is a fairly large study and is being looked at with interest in which researchers investigated the effects of coffee consumption on acute kidney injury (AKI), when the kidneys suddenly lose all or part of their function. They found that drinking any amount of coffee reduced the risk of acute kidney injury (AKI). .but 2-3 cups a day is most beneficial.The influence of personal bias and data collection methodology cannot be excluded in drawing vaunted conclusions.Besides, it is only an indication because the researchers note that their results may be the result of bioactive compounds in coffee that improve Perfusion and oxygen use in the kidneys, New Delhi Hospital.

We must realize that retrospective data collection has its own problems. Positive conclusions about a popular drink such as coffee capture the attention of millions in the print and electronic media. Hence more caution is needed in jumping to such a conclusion,” he warns, adding, “Although caffeine increases kidney flow, it is also implicated in causing kidney stones.”

Dr. Prakash cites studies showing a decrease in glomerular filtration rate (GFR). “If more than two cups of coffee are consumed, this increases the risk of eGFR (estimated glomerular filtration rate) by more than 3 ml/min (ref – Andrés Diaz-López et al. Scientific Reports 11 Article No. 8719 of 2021). This is the opposite of the current study. Besides in India, where tea is still a major drink, especially for the lower middle class and the poor, a study should be undertaken to directly compare the advantages and disadvantages of coffee versus tea.”

“In short, I feel that coffee in moderation may have a place in reducing AKI, but only when all nutritional and medical factors are properly taken into account,” says Dr. Prakash.

Study authors are Dr. Kali L. Tomerdal, MD, associate professor of pediatric endocrinology at the University of Colorado, and Dr. Chirag Rohit Parikh, director of the division of nephrology at Johns Hopkins University.

Coffee contains many compounds that are beneficial to health, including caffeine, diterpene, and chlorogenic acid. Although other compounds found in coffee have not been less studied, compounds such as chlorogenic acid and trigoniline are known for their ability to reduce generalized inflammation and oxidative stress.

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