Backpacks are one of the most useful things that was ever invented in the history. It helps a lot of people carry their loads especially the children who needed to bring a lot of stuff in school.
But based on a study that was done by experts, backpacks have a negative effect towards the health of a child. It risks the spinal cord of the children.
An example can be seen with this boy who had been carrying his heavy backpack for more than a year. The first thing that they saw was that he was walking with a curve at his back. Then he was complaining about the severe pain that he experiences on his back.
When they seek the help of a doctor, the kid needed to undergo a surgery. The weight of the backpack caused his spine to be totally damaged.