Avis au peuple sur la santé.

A tract on medicine written for the lay public; it ran through many editions and was translated into all European languages. It has been called "the greatest medical best-seller of the eighteenth century" (Singy,  "The Popularization of Medicine in the Eighteenth Century: Writing, Reading, and Rewriting Samuel Auguste Tissot's Avis au peuple sur sa santé". Journal of Modern History, 82 (2010) 769–800).

English translation in 1765. Digital facsimile of the 1761 edition from Google Books at this link.