2937. Man will live most healthily upon simple solids and fluids, of which a sufficient but temperate quantity should be taken.
2938. Therefore, strong drinks, tobacco, snuff, opium, and all mere indulgences should be avoided.
2939. Sudden alternations of heat and cold are dangerous, especially to the young and the aged.
2940. Therefore, clothing, in quantity and quality, should be adapted to the alterations of night and day, and of the seasons.