喝咖啡或許對膽結石有些助益。

有篇醫學文獻有支持這個觀點：

A Prospective Study of Coffee Consumption and the Risk of Symptomatic Gallstone Disease in Men

Michael F. Leitzmann, Walter C. Willett, Eric B. Rimm, Meir J. Stampfer, Donna Spiegelman, Graham A. Colditz, Edward Giovannucci

JAMA. 1999;281(22):2106-2112.

http://jama.ama-assn.org/content/281/22.toc

有全文可看。