A treatise on tobacco, tea, coffee, and chocolate : In which, I. The advantages and disadvantages attending the use of these commodities, are not only impartially considered, upon the principles of medicine and chymistry, but also ascertained by observation and experience : II. Full and distinct directions laid down for knowing in what cases, and for what particular constitutions, these substances are either beneficial or hurtful : III. The Chinese or Asiatic tea, shewn to be the same with the …