Childhood obesity

Children in the developed countries are becoming heavier than they should.

Because children are less active and spend most of their leisure time in front of a screen, the abundance of convenience food, and lack of time for proper food preparation, children in developed countries are becoming heavier. Some are at serious risk.

There's considerable hype in the news about the incidence of childhood obesity and the risks. As usual, scare stories abound with calls for government intervention and/or large-scale social changes. But apart from the over-the-top reactions, there are some basic facts that remain.

With the increase in the availability and lower cost of food in Western countries, all but the poorest individuals are at no risk of starving. At the same time, convenience foods, fast food establishments and snacks everywhere have made it all the more likely that many will consume too many calories.

At the same time, with the popularity of computer and Internet activities, children (and teens) spend a larger percentage of time being sedentary than in decades past. TV watching and talking on the phone, of course, have been popular for decades. But with the addition of the Internet, hours of physical activity per week has declined for many.

The result is that children today are on average heavier than they were a few decades ago. They also tend to consume more foods high in complex sugars and fat, and less fiber, fruits and vegetables. The net effect is, for some, obesity.

Obesity is measured somewhat differently for children than for adults, as a result of their rapidly changing bodies and metabolic rates that differ. Children often experience growth spurts that would skew any measurement that used BMI (Body Mass Index) primarily. Instead of using BMI alone as a starting point, BMI is combined with age and gender to create a more accurate picture.