obesity simply is medical condition in which excess body fat or extra weight.Causes of obesity in children include genes,unhealthy food choices, lack of physical activity and family eating habits.
In Australia, Including USA and UK,childhood obesity are increasing at alarming rates in many countries. Statistically,in Australia, one in five children and adolescents are either overweight or obese. between 1985 to 1995 the number of overweight 7–15 year old became twice larger. The numbers of obese children has more than tripled. Currently, it is estimated that 65 per cent of young Australians will be overweight or obese by 2020.

some changes in our life style made things worse and these changes have led to people either eating more or becoming less active, all of which has contributed to an increase in overweight and obesity.
Major health problems caused by obesity are as follows:

1- Type 2 diabetes – while this condition is most commonly seen in adults, it is now also being diagnosed in children
2- Eating disorders such as bulimia or binge eating
3- Orthopaedic disorders – problems with foot structure
4- Liver problems, including fatty liver
5- Respiratory disorders, such as blocked airways and restrictions in the chest wall, which cause breathlessness during exercise
6- Sleep apnoea – this is a condition that causes difficulty breathing when sleeping. It also causes snoring, waking often and poor sleep. It makes people feel tired and contributes to poor concentration during the day
7- Cardiomyopathy – a problem with the heart muscle, caused when extra effort is needed to pump blood.

obesity is not only have health problems but have social impacts as well. And how children feel about themselves and how they interact with others. Obese children are more likely to have low self-esteem, which may impact on other aspects of their lives such as the development of friendships at school.

generally, it is not the end but there are many things to do and overcome obesity like

• Lifestyle and diet changes can help children to maintain a healthy weight
• Spending less time on TV and computer games
• live active life
• enjoy playing , swimming and other physical activities