You've optimized nearly every part of your routine, but your chair might be undoing all of it. Here's what prolonged sitting is doing to your performance, and what to do about it.

You've built a career on performance and precision, but your desk job may be quietly working against you. New research shows professionals who predominantly sit at work face a 16% higher all-cause mortality risk and real cognitive decline. Here's how high achievers are closing the gap.