Obesity is a problem that is getting bigger and bigger around the world. It really hits rich countries. When people have money, they buy a lot of the wrong food. They become lazy and eat fast food. They also forget about exercise and sit in front of the TV instead. The worrying thing is that more and more children are suffering from obesity. This is a big problem. The number of overweight kids I see today is amazing. I think the reason is quite simple – junk food, video games and the Internet. When I was growing up, I had a balanced diet. I also spent most of my free time outdoors. I spent hours every day on my bike or playing football. Kids today hardly go outside. They are glued to one kind of screen or another – TV, computer or games console.