Caffeine intake and the risk of recurrent kidney stones in adults, an analysis of 2007 –2014 National Health and Nutrition Examination Surveys

ConclusionCompared with those who reported passing only one kidney stone, caffeine intake was independently and linearly associated with a higher risk of recurrent kidney stones in adults, especially for women, individuals of non-white race and non-overweight subjects. The increased risk may arise from caffeine from coffee.
Source: European Journal of Nutrition - Category: Nutrition Source Type: research