Sometimes, back pain isn't caused by direct action. Experts believe sitting is unhealthier than smoking, and their results aren't only related to heart disease, cancer and type 2 diabetes. Sometimes, everyday habits can cause back pain. Chiropractic care has come a long way, and it's looking deeply at modern habits. If you're an office worker, a stay-at-home worker or simply love sitting—beware. These five sitting habits might be damaging more than your posture.