The causes of obesity are multiple and complex. In general, it is accepted that the cause of obesity is an energy imbalance between the calories that are consumed and the calories that are used through exercise and activities of daily living, with the body storing the excess of calories as fat.
Risk factors of Obesity
Obesity is not simply the result of eating too much. Epidemiological studies have detected a series of factors associated with obesity in the population.
Age. As one ages, the hormonal changes and a less active lifestyle contribute to the appearance of obesity.
Female gender. Mainly associated with childbirth and the menopause. Obesity also occurs in women that have polycystic ovary syndrome, which is an endocrine condition that prevents correct ovulation.
Race. There is a high level of incidence obesity in people of African descent and those of Hispanic origin.
Unhealthy food. In the last 50 years, there is a universal trend to eat foods high in fat, salt, and sugar. Too many calories are consumed, with abuse of fast food, as well as drinks with a high calorie content.
Sedentarism. Sedentary lifestyle due to the automation of work activities, modern means of transport, and a more urban life, which have an influence on the reduction of physical exercise.
Socio-cultural. Obesity is associated with a lower level of studies and lower level of income to buy healthy foods.
Habits. A consumption of incorrect foods, smoking and alcohol consumption.
Genetic factors. Some genetic studies have determined that obesity can be hereditary, with genes that influence the amount of body fat and its distribution.
Certain medications. Some drugs can cause a gain in weight if they are not combined with diet or exercise. Among these drugs are some antidepressants, anticonvulsants, steroids, antipsychotics, drugs for diabetes, and beta-blockers.