Ngebray.com,-When your energy intake (supplied by food) is in balance with your energy output (expended to sustain daily activities), your weight stays relatively stable. However, when intake is greater than output (as measured in calories), the excess calories are stored as body fat and you will gain weight.
To lose weight, you need to tip this energy balance by consuming fewer calories and increasing your physical activity until output exceeds intake. Your body will then turn to the stored fat for energy, causing weight loss.
While the exact physiological mechanisms that endow slim people with better health are not well understood, statistical studies of population groups have established that weighing less better enables you to undergo surgery without medical complications and, if you are a woman, to give birth more safely. Data compiled by life insurance companies show that American men who are obese (20 percent heavier than the statistical average) have a 20 percent shorter life expectancy than the norm. Obese women have a 10 percent shorter life expectancy than average women.
In addition, according to today’s standards of physical beauty, it is better to be slim than heavy, and there is a strong social stigma attached to being fat. Many people regard those who are overweight as weak-willed. Studies by social scientists have found that heavier people may have more trouble getting a job than their thinner counterparts, their social interactions may be less satisfactory and their self-image and self-respect may suffer. In some instances, losing weight can alleviate those problem and make an important difference in how you see yourself and how others see you.
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