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The New Zealand Railways Magazine, Volume 9, Issue 5 (August 1, 1934)

Muffle Up—And Catch Cold

Muffle Up—And Catch Cold.

A great factor in the maintenance of good health and resistance to germ invasion, is the proper use of clothing. If warm clothing really prevented one from catching cold, the majority of people would be immune from them.

Clothing is necessary in order to protect the body from winds and cool air conditions which might abstract the heat too quickly. Too much or too tight clothing interferes with the steady evaporation of heat. Health clothing should be loose enough to allow the air to reach the skin and carry away the vapour given off by it. When the atmosphere is warm, or when extra heat is produced by muscular exertion, sweat is poured out from the glands and evaporates on the skin, thus abstracting heat and cooling the body. Our clothing should be such that the skin remains cool and dry without the drastic measure of sweating. A warm, damp skin tends to make one sensitive to chills, and is the cause of a lot of our ills.

It will be seen, therefore, that it is necessary to wear porous and loosely woven undergarments to allow for the evaporation of moisture and free ventilation to the skin.