Most of us are fond of at least one product that has the effect of a stimulant and that eventually becomes an addiction. These products include exercise stimulant drinks (they come in cans and look like cola), fizzy aerated drinks, tobacco, betel nut, betel leaf, strong coffee, strong tea, mahuang (an ephedrine-like compound consumed in china), and alcohol.
Before I tell you why we shouldnt consume these products, Id like to deal with the question of why we do consume them in the first place.
Theres no one who doesnt know that products like these, consumed in excess, can severely harm our bodies. Yet, we still find them hard to resist. The need to eat stimulant food is a simple human weakness that has existed for ages: humans (and many animals) have always indulged in foods that give a sort of emotional high. In clinical terms, this means rapid heart beat, a little sweating, dilation or constriction of the pupils of the eye, a warm flush on the face, and a sense of greater sensitivity, concentration and perception.
These sensations of high die down within a few hours, and we are left feeling listless and low. This leads to a craving for that food again, to...