Given that even elementary schools are eliminating recess (oh yes, oh yes, Google it), I find this rather amusing, in a macabre kind of way:
Office workers at risk for blood clots
WELLINGTON, New Zealand (AP) — Office workers glued to computer screens are at greater risk of deadly blood clots forming in their legs than long-distance air travelers, the author of a New Zealand study on thrombosis said Monday.

I’m enough of a hypochondriac to have self-diagnosed my own thrombosis, and enough of a problem-solver to come up with a creative solution: get off my ass and move around often.

I even bought a timer that lights up, makes noise and vibrates.