Humans have only been sitting in chairs for the last two or three thousand years, and I think our bodies would thank us if we got rid of them completely. Our na

Humans have only been sitting in chairs for the last two or three thousand years, and I think our bodies would thank us if we got rid of them completely. Our natural postures include sitting and lying on the ground, and standing, walking, running, and squatting. Our natural movements are moving between those natural positions. Chairs are probably hurting our posture in the same way running shoes are hurting our feet and knees.