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Water should be drunk between, not with, meals, and
school children particularly should drink at least three glasses
of water each day.
Food should not be taken within one hour of going to bed,
particularly by children of school age. It is of the utmost
importance that meals be taken at regular intervals, and at the
same time each day. It is wrong to eat between meals. All
foods should be fresh, free from preservatives or dirt, and if
cooked, properly cooked.
keep all food protected from flies, which convey
germs and infection.
(2) Keep the teeth sound, and clean and the feet warm and
dry.
Teeth must be cleaned every night and every morning.
If decay begins the dentist should be visited without delay.
Bad teeth contaminate good food, and contaminated food
contaminates the whole body.
The feet should always be kept dry and warm in order to
avoid catarrh, chills and other ailments.
air and light.
(3) Breathe through the nose, not through the mouth.
The nose acts as a filter for all air entering the lungs; it
also warms the air to the correct temperature. Therefore
always breathe through the nose.
Air which has once been breathed into the lungs is no
longer pure, and the oftener the same air is breathed in and out
of the lungs the more poisonous it becomes. That is why
anyone dies of suffocation if confined in a sufficiently small
space. If one is in a room with the door and window shut one
must breathe impure air into the lungs: this air, although
perhaps not poisonous enough to cause suffocation, is harmful
enough to cause disease and ill-health. Therefore, always keep
the windows open. An open window lets out more disease
than it could ever let in.