ILLUSTRATINGTheir efficient, formal, material, and final Causes; with the Manner of the Liquids being corrupted by corrosive Acids, and stagnated by obtuse Alkalies:IN WHICH AREOBSERVATIONS ON MINERAL WATERS, COFFEE, CHOCOLATE, &c.ANDAn Investigation of the Nature and Preparation of Foreign Teas, with their pernicious Effects in debilitating the Nervous System:INTERSPERSED WITHTHE AUTHOR'S REMARKS,Arising from an Analysis of such Preparations as may be most beneficially substituted for INDIA TEA.
Teas being said to promote natural excretions, can be no recommendation of what is generally used; for this constant effect must render them too copious, and thus, according to all physical experience, the blood must be thickened in the greater vessels, which frequently terminates in an atrophy.
The appetite being excited by the drinking of tea, is more a proof of its attrition of the solids than any stimulus to a wholesome desire of food. This quality accounts for the acrimonious effects too many have experienced by its use. Many have not only had their blood impoverished, but corrupted by the constant drinking of these teas. Whether it arises from any positive acrimonious salt it naturally possesses, or from any acquired corrosiveness from its mode of drying, is not here necessary to enquire: it is only requisite to state that a pernicious effect is too fatally experienced by those who are unfortunately its slaves.
How India tea can be serviceable in fevers is not easy to be understood; fo