الفهرس 
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Abstract
Childhood obesity is a medical condition in which a child has excessive body fat that is accumulated to the extent that it may have an adverse effect on health, leading to reduced life expectancy and/or increased health problems.
Worldwide prevalence of childhood obesity has increased greatly during the past three decades, In 1997 the World Health Organization (WHO) formally recognized obesity as a global epidemic.
Many factors may contribute into occurance of childhood obesity e.g., high calorie diet, sedentary life, medications such as glucocorticoids, psychological factors, sleep disturbances, socioeconomic status, genetic factors and medical illness such as hormonal disturbances.
Obese children may suffer from many problems are usually emotional or psychological. Childhood obesity however can also lead to life-threatening conditions including high blood pressure, heart disease and cancer. Some other disorders would include liver disease, early puberty or menarche, eating disorders such as anorexia, skin infections, respiratory problems and high mortality rates.