An essay of health and long life / By George Cheyne.

  • George Cheyne
Date:
1725
Catalogue details

Licence: Public Domain Mark

Credit: An essay of health and long life / By George Cheyne. Source: Wellcome Collection.

    272/286 page 222
    Circumftances, both the nutritious and ferous Part of the Blood, and the glo¬ bular, become vifcid, thick, and glervy, the Circulation muft flop at laft, and come to an End. Now ’tis certainly in a great meafure in our Power to maintain the Juices in a due State of Fluidity and Thinnefs, and to render them fuch, if they are not corrupted to an extreme Degree, fo that the re¬ maining Part of Life be not too fhort for fuch a tedious Work. We certain¬ ly may dilute and thin any Fluid, that has an Inlet and Outlet. And the more fluid a circulating Liquor is, that is, the [mailer and finer its Parts are, the lefs Force it will require to fet it a going, and to continue its Motion. And in animal Bodies, the thinner and more fluid the Juices are, they will not only circulate by the lefs Force, and with lefs Refeflance (i. e. Fain) but alfo, they will preferve by their Circulation, the Solids the longer from (liffening and hardening. There is not a more mif. chievous, nor greater Miftake, than the common one, that thin Blood is poor Blood, which the Vulgar and Herd of Mankind are as terribly affrighted for, as outward Poverty and Want. For,
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