Over the past four decades, children have become increasingly sedentary and that lack of physical movement is showing up in medical conditions, such as Type 2 diabetes.

Television has been blamed for much of this, exemplifying as it does our increasingly sedentary lifestyle.

The increasingly sedentary lives of many children and its corresponding loss in the amount of exercise was the cause cited by 22 percent of Americans.

But to health experts tracking the ballooning of America's increasingly sedentary children, the trend is a dangerous one.

Obesity is linked to a greater availability of food, particularly from the West, and an increasingly sedentary lifestyle in urban areas.

The table below, derived from a 1985 study of Welsh adults, shows the extent to which all of us become increasingly sedentary as we get older.

This pattern is often accompanied by an increasingly sedentary lifestyle.

Concerns over the increasingly sedentary lifestyle of individuals and the associated health risks lead to this development.

About 2,000 years ago, some groups began growing corn and other crops, leading to an increasingly sedentary lifestyle.

They describe an increasingly sedentary population, expanding up to the carrying capacity of the local environment, and requiring more food than can be gathered.