Imagine if some strange force was preventing you from standing fully erect. We already have gravity to contend with, but you may have another insidious force working against you—your office chair and your desk in general. I call it the sit and slump, and millions of Americans endure it each day. When finished with sitting [...]
From the monthly archives:

Have we lost our edge?
November 22, 2009Many of us are living in countries where physical survival pressures have disappeared. There’s not a compelling need to gather firewood for the harsh winter. We’re not concerned about finding drinking water. In the desert, we’re not even concerned about wasting water to support artificial lawns. That’s how far we’ve come. But have we lost [...]