Jason, a 42-year-old father of two, has been battling back pain for weeks. Scrolling through his phone, he sees ad after ad promising relief: chiropractic alignments, acupuncture, back braces, ...

Which posture-correcting brace is best? Long gone are the days of hunting and foraging. Instead, we sit — in our cars, on the couch, at our desks and everywhere else. This endless sitting is a big ...