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Obesity
Overview:
The definition of obesity varies depending on what one reads, but in general, it is a chronic condition defined by an excess amount body fat. A certain amount of body fat is necessary for storing energy, heat insulation, shock absorption, and other functions. The normal amount of body fat (expressed as percentage of body fat) is between 25%-30% in women and 18%-23% in men. Women with over 30% body fat and men with over 25% body fat are considered obese.
Causes and Organs Affected:
The balance between calorie intake and energy expenditure determines a person's weight. If a person eats more calories than he or she burns (metabolizes), the person gains weight (the body will store the excess energy as fat). If a person eats fewer calories than he or she metabolizes, he or she will lose weight. Therefore the most common causes of obesity are overeating and physical inactivity. At present, we know that there are many factors that contribute to obesity, some of which have a genetic component.
Risk Factor:
Factors that increase your risk of obesity include: Genetics, Family History, Age and Sex.
Treatment:
The goal of obesity treatment is to achieve and maintain a healthier weight. The amount of weight you need to lose to improve your health may be much less than what you feel you need to lose.
Other Information:
Whether you're at risk of becoming obese, currently overweight or at a healthy weight, you can take steps to prevent obesity and the associated health problems.
Not surprisingly, the steps to prevent weight gain are the same as the steps to lose weight: Daily exercise, a healthy menu, a long-term commitment and constant vigilance.