|There are many factors that contribute to obesity;
these could range from genetic factors to depression. Obesity may be caused due to the
Genetic inheritance probably influences a person's chance of becoming fat more than any
other factor. These genes enhance the storage of fat when food is limited and cause an
increased risk of obesity when food is abundant and energy expenditure is reduced.
Certain eating habits of people may lead to obesity.
Nibbling between meals is a potential cause for obesity.
Some people consume food faster, without enough time to chew, therefore tend to consume
Obese people respond to external cues to eat rather than internal hunger signals. They
eat when it is mealtime or when they are surrounded by tasty foods instead when they are
hungry. People tend to overeat when they are depressed or in order to avoid wastage of
Obesity is found in persons who lead sedentary lives and pay less importance to
physical education. Though obesity can occur at any age, this is more common during middle
age when physical activity decreases without corresponding decrease in food consumption.
Obesity is found in hyperthyroidism, hypogonadism and Cushing's syndrome.
Obesity may follow due to damage of hypothalamus after head injury because it is not
able to regulate appetite or satiety.
- Prosperity and civilisation
Obesity is common in prosperous countries like UK, USA, and in people of the higher
economic strata of society, in developing countries.
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