DISEASE, 
to apepiy and hemiplegia. fn fhort, errors in food and 
drink daily excite difeafes. Not to mention Fede ap 
and its immediate confequences, the head, the ftomach, the 
bowels, the kidnies, the conttitution at noe are varioully 
affeGed by this caufe; and head- ache: in all its sadeng 
e all the common refult of excefs and 
mifmanagement in es to food and drink. (See Dier.) 
Imperfect la n the other hand, leads to a holt 
of Saba diford 
tagians, or “efluvia arifing from the body under sa 
alee ftates of difeafe, as well as the miafmata fro 
marfhes, &c. excite numerous difeafes. The penode: in which 
ich they are propagate ’ hase 
+ (See Con ir 
=" 
o 
a 
o 
cafe of the plague, almoft every nation in the world has fuf- 
fered from the morbid effedts of contagion. The {mall- 
way on the li a fyftem, 
aise new that under which it was —_ re- 
blood to ea hala ; the latter alfo throu ich hea 
of the ftom the former are the poifon of ne viper, 
rattiesfnake, oe. ;- of the latter fpecies are opium, henbane, 
€icuta, belladonna, and a numerous tribe befides; Ne to thefe 
we che a alcohol, or diftilled {pirits, in the vari 
a 
of gin, whilky, oe all of which have focues : a mul- 
tiplicity fe difeates: d often, when taken in a nt quan- 
ah soaks dieaee! sniilaed the living pow 
aufes e, ating Poh the medium 
ental affeAion aa Me enu- 
of ee nervous ae. the 
1 ftron fo joie cone a the 
to produce difeafes; they derange mall He bodily 
and excercife, likewife often 
derange the nervous fyftem, aa pet difeafes; efpecially 
long watching, over-fatigue, &e. 
Many difeafes, when once induced, become the pre-dif- 
pofing, and even excitisg caufes of others. ‘The debility 
occafioned by acute — becomes a pre-di ges caufe 
to the attacks of other acute and chronic difeafes, and ee es 
cially to a repctition of ie fame acute cis eafe. Th 
a who had been free from inflam 
a 
ae 
as] 
ra) 
is) 
a tuberculated ftate of a iver dees ropfy of the 
belly, by impeding the circulation through the hepatic veing, 
and therefore through the mefenteric and etna effels 
fearlet fever often brings on anafarca; common catarrhal 
inflammation of the bronchial membranes will give rife 
to ee in the lungs, and induce a fatal confump- 
> &C, 
3 
Many of the pre-difpofing caufes to difeafes, of a pare 
ticular fore, confilt in obvious qualities: 1. e ages many 
otherg 
cone are pa! to ) infancy, others to manhood, 
again to old wae the irritations. of 
deotton, trophulus, 
the faculties vr erflanding 3 
pally, chronic rheumatifms, &c. are the oaine difeafes. 
2. The fex. Each fex has its ceri predifpefitions in 
j a male, bei 
nigias blan m, and in manner, voice, &c. is 
well known to require any evidence to he adduced here 
- ee of it. "The fins of the fathers are often vifited upon 
Cr rations. 
mania, f{crofula, epilepfy, and many other forms 
of dife fe, are thus obferved to defcend through a long fe. 
ries of = {c 
The exifting Ges of particuler cl: fies of eo A 
ikewife obferved under particular circumftance 
any trades give occafion to ees maladies ; oe ae 
ama » the glafs-cutter, the white-lead manufaGturer, and 
very artifan in the habit of ufing lead, is liable to reer 
of colica pitionum, or painter’s a and to a peculiar a 
diftreffing palfy of the hands, which enfues: millers, aie 
dreflers, chaff cutters, and all ofe who are expofed to 
breathe an atmofphere, in which various fubftances are fuf- 
pended in the form of an impalpable powder, are liable to 
afthma, dyfpnza, pier paed confumption, and other dif. 
eafes of the lungs: thofe e 
pations, frequen ach cou oa 
head-ache, fl eaceelag and other difeates of debility. 
Sailors, on long voyages, when confined ftri€tly to the ufe 
of falted animal food, are fubjeG to the {curvy, a difeafe 
which is comparatively rarcly feen, aoe under fuch cir- 
cumftances. In the fame mies in the ficld are ex~- 
pofed to’ particular dileales, dyfentery, aeciae fevers, &c. 
(See Camp-di/eafes.) Climate, feafon, and peculiar epidemic 
conftitutions of the a are alfo ranked ames the 
circumftances ee dife 
feafes 
i ewile are ouieted 
t.é. the original difeafe will excite a fe-, 
into each o 
When a a —o is 
hers 
cond, and will itfelf difappear. 
transferred from one part to another, or when e, of 
ind, ceafes in a part, and eal ciate ae in 
aucther part, this is termed a metaflafs. See Conversion 
of difeafes, where this point is difcafled | at length. 
se ae ~ cure each other, or fufpend each other’ : 
in the animal economy, which w 
pancularly pointed out pes the late ohn. evel chat 
yftem are incompatible with cer- 
as "febrile procefs of the animal body, 
which produces the eruption of {mall-pox, cannot go on A 
