Coffee appears to reduce the risk of chronic kidney disease

In June 2018 researchers from Republic of Korea published the results of their study to assess the association between coffee consumption and the risk of chronic kidney disease in 8,717 individuals (average age 52 years; 47.8% male) with normal renal function. Food frequency questionnaires were used to divide the individuals into 5 groups according to coffee consumption: 0 cups/week, less than 1 cup/week, 1-6 cups/week, 1 cup/day, and 2+ cups/day. They were followed up for an average of 11.3 years and during this time 9.5% of the individuals developed chronic kidney disease. After adjusting for increased blood pressure, cardiovascular disease, diabetes, as well as the daily intake of caffeine-containing foods such as tea and chocolate, individuals with a coffee consumption of 1 cup/day and 2+cups/day appeared to have a lower risk of developing chronic kidney disease than non-coffee drinkers. 

Jhee JH et al. Effects of Coffee Intake on Incident Chronic Kidney Disease: Community-Based Prospective Cohort Study. Am J Med. 2018 Jun 12. [Epub ahead of print]

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