Why back and neck pain are so commonA sedentary lifestyle can contribute to back and neck pain, including spending lots of time sitting in one position while working at a desk, which is why so many of us are affected. © Getty Images Neck and back pain are one of the leading causes of absence from work"Back and neck pain are among the most common reasons people come to see me. Stress can also cause people to clench and tighten their muscles without realising it, which amplifies pain," Dr. Mehta explains. Meanwhile, acupuncturist Helen Hayes says that stress and anxiety can often be an overlooked factor that contributes to back and neck pain. Even standing up and walking for two minutes every half hour can make a big difference," Dr Mehta says.