Absolutely all doctors are afraid of the consequences of a sedentary lifestyle. And... they are all right – without physical activity, the body ages and" grows " sores much faster. Problems with the cardiovascular system, digestion, and mental health are only a small part of what gives us life on the couch and at the computer. But the back is the hardest of all in the literal sense of the word. What fears of doctors will come true if you lead a sedentary lifestyle, and can they be somehow prevented?