[nradov]

The people who spend all day sitting and staring at screens will end up with lower reproductive fitness due to obesity, weakness, and various endocrine system disorders. So over a long enough time scale, evolution will sort us out.

[eikenberry]

Nah.. we'll evolution won't get a chance. Between cybernetics and genetic engineering we'll eventually overcome issues with our physical bodies way before evolution comes into play.

[vsareto]

Bad food and portion sizes carry most of the blame for obesity. You can be a gym nut and still addicted to technology though.

[rhacker]

That's only if staring at screens is a genetic trait, which probably isn't. Two super fit parents may end up having a slouch potato.