Know the multiple causes of obesity

Most cases of obesity back to the people who eat foods full of calories and lack of physical activity. The rest of the cases back to genetic reasons and other medical and mental state.
Food varied and different share food energy per capita significantly among regions and countries, have varied also significantly over time in terms of increased average calories available per capita over the period from the beginning of the seventies of the twentieth century to the end of the nineties of the same century in all parts of the world. As in 1996, the United States has achieved the largest consumption rate by reached 3394 calories per capita and in Africa 2176 per capita.
Genetics, like many other medical conditions, obesity is a result of overlap and interaction of genetic factors and environmental makes an individual more susceptible to obesity
Physical and mental diseases
There were some mental and physical illnesses as well as certain pharmaceutical substances that can increase the likelihood of obesity. Include physical ailments that increase the likelihood of obesity on a rare genetic syndromes, in addition to some genetic or acquired conditions