The natural history of the tea-tree, with observations on the medical qualities of tea, and effects of tea-drinking / By John Coakley Lettsom.
- John Coakley Lettsom
- Date:
- 1772
Licence: Public Domain Mark
Credit: The natural history of the tea-tree, with observations on the medical qualities of tea, and effects of tea-drinking / By John Coakley Lettsom. Source: Wellcome Collection.
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![[ 6 r ] here, that every folvent is capable of taking up a limited quan¬ tity only oi the folvend, and when fully faturated with it, is in¬ capable of fufpending it long; hence it is plain, that the quan¬ tity of the ftony matter carried off, muft be greater when the urine is encreafed in quantity, and has not been too long re¬ tained in the bladder: and therefore as Tea is diuretic, it may in this view prove lithonthriptic.. Tea, we have already obferved, contains an aftringent anti- feptic quality (Sect. II. Exp. I. II ). It likewife poffefles no inconliderable degree of bitternefs; and as the uvre urii, and other bitters have mitigated fevere paroxyfms of the ftone, may not Tea prove ferviceable alfo by its antacid quality? It is an obfervation I have often had occaflon to make, that people after violent exercife, or coming off a journey much fatigued, and affeCted with a fenfe of general uneafl- nefs, attended with thirft and great heat; by drinking a few cups of warm Tea, have generally experienced immediate re - frefhment. It alfo proves a grateful diluent, and agreeable ledative, after a full meal, when the ftomach is oppreffed, the head pained, and the pulfe beats high (m). SECT. XVIII. I fhall finifh thefe remarks with fome reflections on this herb, confldered in another light. As luxury of every kind has augmented in proportion to the encreafe of foreign fuperfluities, it has contributed more or lefs its fhare towards the production of thofe low nervous difeafes, (m) Le Compte’s memoirs and obfervations, p. 227. Home’s Principia Me¬ dicine, p. 5. Percival’s experimental effays, p. 130. See alfo Tiffot on the difeafes of literary and fedentary perfons, p. 145. which.](https://iiif.wellcomecollection.org/image/b3041104x_0079.jp2/full/800%2C/0/default.jpg)
