What meanes a man may vse to keepe his bodie in perfect health. Chap. 22.
ASpare and temperate diet driueth avvaie all diseases, and keepeth the body in per∣fect health, by taking those thinges that are necessarie to corroborate strength & confirme health. And these by Galen are called causes of conseruation, because they are fit to preserue the state of the bodie, so that vve fitlie and conuenientlie vse them. Our later Physitians terme them vnnaturall causes, not because they are againste nature, but because they are vvithout the bodie, and are not bred in vs as the humors are. In vse and effect if vve take them not orderlie and in good sort, they af∣fect nature and her povvers with sundrie discommo∣dities. And of this sort is the ayre, meate and drink, sleeping and waking, fulnesse and emptinesse, the af∣fections and motions of the minde: all which mans bodie requireth to keepe and defend it. Now because