Over the last century daily life
for Homo Sapiens has become considerably easier, particularly for those
individuals living in western industrialized societies. A combination of
technological advances, including factory automation, farm machinery, labor
saving devices for the home, the automobile, telephones, television and
computers has allowed us to become steadily more productive.
At the same time these
innovations have made our species much more sedentary, obese and prone to a variety
of chronic degenerative diseases which put a considerable financial burden
on the health care system.
Since the pioneering work of
Jerry Morris in the early1950's that observed an increased risk of heart
disease in sedentary London bus drivers, medical science has built a wealth of
knowledge about the importance of physical activity for long-term health.
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