( I0 9 ) 
foft fmooth Parts, they give the Veffels no 
Stimulus, nor Invigoration of the Fibres, 
nor Dilution, nor Attenuation of the Juices, 
but render the Solids more lax, gentle, and 
indolent, and the Blood more vifcous and 
unfit for Attrition, Mixture, Separation, Se- 
cretion, and Evacuations: Hence the un- 
weildy Habit encreafes on the Man, and 
the Bulk of his Illneffes grow, except he 
ufe much Exercife or hard Labour to pre- 
vent it. Aged People alfo require a more 
fubtile, attenuating, and invigorating Food, 
for their Veffels being on the Decreafe and 
Coalition, a vifcous oily Food is not fitted 
to very final!, ftiff, refilling Tubes, but a 
more fpirituous, thin, and ftrengthening, 
their Perfpiration alfo being low and fmall ; 
whatever Blood is of a vifcous Nature, muff 
clog, obftrudt the Glands and excretory 
Dudts of the Skin, and diminilh this Eva- 
cuation, and throw the great Load on the 
other fmall Veffels and whole Habit; and 
Nature having no Succedaneum to fupply 
this fo neceffary a Difcharge but the Lungs, 
a Load of thick Phlegm muff be thrown 
upon them, to be conftantly pumping up 
by Coughing : But even in this Stage Affes 
Milk 
