Weight problems – Theoretical basis
At the beginning of human evolution, humans were defenseless against nature so they were constantly fighting starvation. The survival of mankind was censured by the ones who could adapt to hunger, and could utilize nutrition and calories the most.
The 20th century’s industrial and agricultural development brought a huge change in food production, which got boosted in the western countries and soon influenced the rest of the world.
The spread of automobiles, public vehicles and all sorts of machines that replaced manual labor, physical activity led to the decrease of energy-releasing. Plus, high carbohydrate foods, containing too much fat have spread in the same time, thus increasing the energy-absorption to a much higher level.
Humanity couldn’t adapt to such energy surplus. This resulted in today’s endemic in western countries, which is obesity. The main factors that cause obesity are: increased calorie-intake and a decreased metabolic rate. There are 40 enzymes in the human body that help maintain the constant, healthy weight of a person. A hereditary enzyme impairment can be one cause of sever overweight. This is proven by the fact that in most cases, obese children have obese parents. Overweight can have a hormonal basis or it can be caused by an impaired central nervous system.
The external influences play a key part in the energy-absorption of obese people. In the case of a hereditary disorder, the body’s ability to compensate all that calorie-intake is much lower. That is why it can’t cope with the effect caused by improper eating habits and lack of exercise.
It is important to manage these unfavorable influences and thus decrease weight. Moreover, it is essential because obesity assists to a lot of diseases that debauch life and diminish its span.
Unfortunately a huge percent of people in the 21th century are suffering from the same problem. And their number is constantly going up. Weight loss products, prescription diet pills, fat burners are everywhere. They are becoming necessities of everyday life. Super model figures can slowly be seen only in television or on the internet. It is up to you to change your lifestyle and help the picture of tomorrow become a little more positive!