Besides, we may argue from the Effects of too much Heat, and from the Distempers of Hot Countries, to instance but in one Disease (which when it seizes any one among us, their chiefest Care is to be secur’d from the Cold,) and that is the Colick, which is the Epidemical Distemper of Hot Countries, not of Cold, and so common at _Surat_, that about Noon the whole Town shall smell of _Assa Fœtida_, which they mix in most of their Dishes, to preserve ’em from that Tormenting Distemper, which the Heat of the Air does not exempt ’em from, but exposes ’em to it, by rarefying the Blood and Humours, and opening their Pores; by which Method I don’t doubt but many a one among us has brought an Accidental Colick to be habitual; for being scar’d by the first Fit, they have endeavour’d to secure themselves from another, by these very Means which prove most likely to bring it on. If any one thinks this strange, let ’em remember what hapned when Muffs were worn universally, some Men were wont to let ’em hang upon their Bellies for the most part; and I have heard a Healthy Man complain, that upon leaving off his Muff for a day or two after such a Custom, he has been grip’d; from which any one in the World will infer, that the keeping the Part too warm, prepar’d it for the Ill Effect of the Air, and that the same may happen in any part of the whole Body; so that it is a Folly for People, in most Cases where the Lungs are not concern’d, to nurse up a Distemper, which was at first perhaps in great part owing to a tender way of living, and by continuing that Course of Life, must be rather encreas’d than perfectly rooted out. A great deal more might be urg’d, if my Scope would permit me, to induce People to believe the good effects that will follow upon the Exercising themselves in bearing _Cold_. I shall proceed next to shew, what was the Opinion of the Antients, concerning Exercise in the Cure of several Distempers, and shall collect their Sentiments as briefly as possible; that as in a Sketch they may appear at one View. _The PRACTICE of the ANCIENTS._