dr. marc darrow. dr. darrow has over 20 years of experience in pain management. he's board-certified in physical medicine and rehabilitation and has given countless interviews on the subject of pain to many of the leading publicatio years. dr. darrow, welcome. >> thank you, jennifer. >> dr. darrow, 8 out of 10 people in the u.s. alone will suffer from back pain at some point in their lives. this really does seem like an epidemic. >> well, jennifer, it really is. but, as you mentioned, many experts believe it's gonna get worse. >> why is that? >> well, think about it, jennifer. we're sitting in traffic in our cars much more. a massive number of us spend our days sitting at a desk. look at the stress in today's society. you know where it ends up? right here. >> i know that's where i carry my stress. >> but here's the biggest growing problem. there's 50 million of us sitting at our computers. we're spending half our lives hunched over. >> and despite spending over $50 billion a year on back pain to try and fix the problem, very little seems to be working. >> not unt