A stupendous graph, part of an equally impressive health/lifestyle piece in the WSJ yesterday:
The pitch convinces without pushing a single product:
"No pill or nutritional supplement has the power of near-daily moderate
activity in lowering the number of sick days people take," says David
Nieman, director of Appalachian State University's Human Performance
Lab in Kannapolis, N.C. Dr. Nieman has conducted several randomized
controlled studies showing that people who walked briskly for 45
minutes, five days a week over 12 to 15 weeks had fewer and less severe
upper respiratory tract infections, such as colds and flu. These
subjects reduced their number of sick days 25% to 50% compared with
sedentary control subjects, he says.
But this does offer the critically-minded a whole new "scientific" way to judge people.
Are they high, medium, or low fitness?
Appears from the above that you can tell at a glance…
Kit Stolz 
I was kind of addicted to the same thing that you had mentioned in this topic, but after reading your article, I realized that this ain’t what I have to suffer from or experience. I hope to work harder against this addiction.
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It is an interesting inforgraphic. I am in between the not-fit and semi-fit group. That will change this summer.
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