Sunday, June 19, 2011

Factors Causing Obesity

Factors causing obesity, include:1. Genetic factors.Obesity tends to run, so it is thought to have genetic causes. But family members not only share genes but also diet and lifestyle habits, which could encourage obesity. Often it is difficult to separate lifestyle factors with genetic factors. Recent studies show that the average genetic factors influence 33% of a person's weight.
2. Environmental factors.The gene is an important factor in many cases of obesity, but a person's environment also plays a significant role. This environment includes behavioral / lifestyle patterns (eg what to eat and how many times a person eats and how their activities). A person certainly can not change their genetic pattern, but he can change the diet and activity.
3. Psychological factors.What's inside a person's mind can affect eating habits. Many people react to her emotions by eating.
4. Health factors.Several diseases can lead to obesity, including:
          
o Hypothyroidism
          
o Cushing's syndrome
          
o Prader-Willi Syndrome
          
o Several neurological disorders that can cause a person to eat a lot.
5. Drugs.Certain medications (eg steroids and some anti-depressants) can cause weight gain.6. Developmental factors.The addition of size or number of fat cells (or both) cause increasing amounts of fat stored in the body. Obese people, especially those that became obese in childhood, can have the fat cells up to 5 times more than people whose weight is normal. The number of fat cells can not be reduced, so weight loss can only be done by reducing the amount of fat in each cell.
7. Physical activity.Lack of physical activity is probably one of the main causes of the increasing incidence of obesity in the midst of a prosperous society. People who do not actively require fewer calories. Someone who tend to eat foods rich in fat and not doing physical activity are balanced, will be obese.


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