Yes, watching some certain TV can help people, especially the children, grow well. However, when you watch too much television, there will be some side effects for you. In a world, there are both the physical and physiological effects on children from the television. Based on the physical effects, you know if the kids watch TV too much, they will not prefer to do some exercise outside, which will result in the poor health. Besides, during watching TV, the television will release much radiation which will be harmful for the eyes. Then the children's vision will get affected or become nearsighted. In addition to the physical side effects, there are some physiological effects on the kids. As we all know that there are many advertisements showed on TV, and some of the advertisements are not healthy for kids, when the children watched them, they cannot growth healthily at the physiological side. Consequently, what your mother told you is right.