Green tea intake and risk of incident kidney stones: Prospective cohort studies in middle‐aged and elderly Chinese individuals

To investigate the association between green tea intake and incident stones in two large prospective cohorts.We examined self-reported incident kidney stone risk in the Shanghai Men's Health Study (n = 58 054; baseline age 40-74 years) and the Shanghai Women's Health Study (n = 69 166; baseline age 40-70 years). Information on the stone history and tea intake was collected by in-person surveys. Multivariable Cox proportional hazards models were...