Don't sleep in a draught.
Don't go to bed with cold feet.
Don't stand over hot-air registers.
Don't eat what you do not need, just to save it.
Don't try to get cool too quickly after exercising.
Don't sleep in a room without ventilation of some kind.
Don't stuff a cold lest you should be next obliged to starve a fever.
Don't sit in a damp or chilly room without a fire.
Don't try to get along without flannel underclothing in winter.