During the hot summer months as soon as we return home from work the first thing we do is turn on the air conditioner. Yes it helps to keep us cool and comfortable, but seldom do we actually think that it can have effects that are harmful to us. But as recent research shows, air conditioners can actually make us fat.
The most modern of technologies like air conditioning and heating make us live in a thermoneutral zone. What this means is that we get used to living at a temperature where there is no need for our body to regulate its temperature. It is only when our bodys temperature is below or above this thermoneutral zone that it works to attain that level. In the process it needs energy and as a result it has to burn calories supplied by our body.
In fact David Allison, the director of Clinical Nutrition Research Center at the University of Alabama in Birmingham holds that the air conditioner might be one of the several factors that are behind the obesity problem that has reached almost epidemic proportions in America.
He actually enlists a number of factors that can be contributing to this obesity explosion besides fast food and lack of exercise. These...