Description
Someone who has a weight 20% higher than the midpoint of the range of normal weight is considered obese. Comparison between the normal body fat weight is approximately 25-30% in women and 18-23% in men. If the fat content of a person exceeds the threshold then it can be called obese. Obesity is due to
from the accumulation of excess body fat. In obesity occurs imbalance between calorie intake and burning in the body.

Occurrence of obesity involves several factors, genetic, environmental, psychological, health, medicine, development, and physical activity.

Complications of obesity can include diabetes, hypertension, stroke, heart attack, heart failure, or cancer.

Obesity is classified into 3 groups:
Mild obesity: overweight 20-40%
Obesity were: being overweight 41-100%
Obesity weight: excess weight> 100%.

Symptoms
Symptoms of excessive accumulation of fat below the diaphragm and chest wall in the can pressure the lungs, causing breathing problems and shortness of breath, even if the patient is only a mild activity. Respiratory problems can occur during sleep, causing cessation of breathing for a while (sleep apneu), so that by day patients often feel sleepy.

Medical
The main principle is the treatment of obesity and calorie intake restriction increased physical activity. Both are important components in regulating body weight.