The vacations are over and it’s time for children to head back to school. But one of the reasons they may dread going back could be the heavy schoolbags they have to carry on their delicate shoulders. This can not only hamper their studies but also cause back and posture problems. Says Dr Zinal Unadkat ‘Children lose interest in coming to school with the stress of carrying heavy bags. Their mind is burdened with the weight of the books and this leads to low attention span.’ So what should be the ideal weight of schoolbags? According to Dr Zubeir Patel