Every fifth person on the planet is dyslexic. That is, reading and writing skills are difficult to master. The scale is amazing: 20% of the population, but only 5-10% have a severe form, scientists say. According to research, it does not make a person more stupid. The dyslexic brain often produces unconventional solutions. The nature of the phenomenon is familial. In 40-70% of cases it is pure inheritance. If one of the parents has dyslexia, the child gets this code with a probability of 50%. For brothers and sisters, the risks are sky high. Dozens of genes controlling the language and vision centers are responsible for this. Solution: early diagnosis and multisensory training techniques that can compensate for these traits.