Final answer:
Obesity, caused by lack of physical activity and increased consumption of fast food, is a major health problem in children. It can lead to various health issues, including type 2 diabetes and heart disease. Restricting access to junk food at school alone is not enough to prevent obesity.
Step-by-step explanation:
Obesity
The lack of physical activity and increased consumption of fast food by children are causative factors contributing to the problem of obesity.
Obesity is a condition where the body weight is at least 20 percent higher than a healthy weight for a child of that height.
It can lead to various health issues, including type 2 diabetes and heart disease.
Restricting access to junk food at school alone is not enough to prevent obesity, as physical activity and healthy eating are crucial for a child's overall well-being.