FROM FRESH AIR.

Lake Wakatip Mail, Issue 2644, 28 January 1908, Page 2

FROM FRESH AIR.

"In inhaling the air," said a doctor, "our lungs absorb its active principle, oxygen, and give out, besides water, the effete gas, carbon dioxide —that is to say, carbonic acid gas—together with fine particles representing the .waste substance of the body.

"Now, although so deadly in large proportions, carbonic acid gas is not so poisonous as most people seem to think. It is really a normal part of the atmosphere.

"It is the fine particles of organic matter that are to be dreaded. This product is not a gas, but a sort of invisible soot, which clings to whatever it touches., It is, this, that contaminates the air, especially when it is given off from the bodies of unhealthy people, and it is this which causes delicate persons to feel unwell in ill-ventilated and crowded halls, and other places of assembly. Hence the need for plenty of fresh air. which even if it did not carry off those emanations, would vitalise the blood, enabling it to resist their at tack »-" (15SG.)