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Scientists at the Johns Hopkins Bloomberg School of Public Health made a discovery that surprised even them: certain coffee metabolites can trigger chronic kidney disease.
Actually, hardly a month goes by that some study doesn’t appear suggesting how healthy coffee is for the heart, circulation and even brain. Much to the delight of all coffee fans.
Researchers discovered two metabolites – metabolites in the blood – that are associated with coffee consumption and promote the development of chronic kidney disease. However, they also identified another “coffee metabolite” that helps the kidneys heal. So is coffee a kidney killer or a kidney protector?
What coffee has to do with kidney health
Foods, as well as beverages, have a significant impact on kidney health. As a reminder, our kidneys are responsible for filtering blood, removing pollutants and excess water, and maintaining a healthy balance of salts and minerals. If kidney function is permanently impaired or disrupted, the condition is called chronic kidney disease. This can be life-threatening.
At the same time, as mentioned at the outset, metabolites formed during the metabolism of certain foods can promote or prevent the development of diseases. To find out what role coffee plays in kidney health, a total of 372 blood metabolites from 3811 participants were examined more closely for the study published in the journal CJASN.
Two coffee metabolites exposed as problematic for kidneys
Of the adults studied, 56 percent drank coffee daily, and 32 percent drank more than two cups a day. A total of 84 metabolites were identified, and three were directly related to coffee: glycochenodeoxycholate, O-methylcatechol sulfate and 3-methylcatechol sulfate. The latter two are associated with an increased risk of kidney disease and may therefore contribute to the potentially “harmful” effects of coffee consumption. These compounds are involved in the metabolism of benzoate, a preservative used in processed foods. Incidentally, these are the same metabolites found in smokers, according to the accompanying media release.
Why coffee in moderate quantities is still healthy
“A large body of scientific evidence has shown that consuming a moderate amount of coffee is compatible with a healthy diet. We were able to identify a metabolite, glycochenodeoxycholate, that supports this theory,” study author Dr. Casey Rebholz continues. Among other things, this compound has a regulating effect on fat, glucose and cholesterol levels. So all welcome properties that support our kidneys in their work.
- source: fitbook.de/picture: pixabay.com
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