Why is it not recommended to read in a moving vehicle?

It is not recommended to read in a moving vehicle, since this constantly changes the distance between the eyes and the book (mobile phone, laptop) and there comes a quick fatigue of the accommodation apparatus.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.