Human body was not ready to sit in one place. If anybody Want to should always be active in that direction. But we don't doing that, We sit in front of the computer for a long time. We sit in front of desk for work a long time. As a result the natural rhythm of the body begins to grow. As a result, It became a major headache and became a major cause of death.
In fact, If someone is sitting 10 hours a day, the damage the body can not be met even after 1 hour of physical exercise. But now a days, most of the people have to sit and work for a long time. But don't physical excercise. Thats why, After somedays Please don't work because they are feeling diseases .