Quite frankly, however, I couldn't find any reliable sources for this article. The human body is an incredible piece of work, one need only consult Cinemax at three in the morning on Friday night for testament to this. Sometimes we throw a rod, or get a microbiological case of sugar in the gas tank, things which we can't really control. But more often than not, these problems can be avoided by following proper maintenance procedures. Even an orange '79 AMC Gremlin with a brown door and a rag in place of the gascap will run indefinitely, so long as you top off the oil occasionally.
Illness saps away immeasurable quantities of productive time.
A head cold will kill at least three days, and strep throat or the flu can put you flat on your ass for a week. Even the fittest person occasionally gets sick, but the healthier and hardier you are to begin with, the less likely you are to come down with something vile. My parents have friends like this, and I despise them. They come over for parties, and then corner hapless guests and give them detailed descriptions of their colons. They complain about the fat content of the Chex mix, and smugly pull bran muffins out of their purses.