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Obesity

The Human body is designed for movement and strenuous physical activity, for most of us with the introduction of moderntechnology the physical demands on our everyday life has lessened. What would have once required hours of physical work can now be accomplished in just a few seconds.

One cannot expect the body to function optimally and remain healthy if we continue to abuse it or not use it for its intended purpose.
The medical implications of obesity are numerous, ranging from coronary heart disease, diabetes, hypertension, cancers, arthritis and other related illnesses.
Obesity is defined as excess body fat for a given body weight. The cause of obesity is the intake of higher metabolic fuels (excessive intake of food) than is required for energy expenditure. Similarly, a person whose body weight is high incurs a greater energy cost. It is only during the development of obesity that energy intake is greater than expenditure. Unused excess fuel is stored, largely as fat in adipose tissue reserves.

We also find overweight and obese people whose problem can be attributed to a low rate of energy expenditure despite a reasonable level of physical activity. Some people have a very low BMR and hence a low requirement for food. Despite eating very little compared with those around them, they may still gain weight. Equally, we can expect to find people who have a relatively high BMR who seem to be able to eat a large amount of food without gaining weight. This is a normal biological variation. Some people seem to be able to modify their expenditure to match their food intake.