What is the harmful effect of drugs on the offspring of a person?

1) Drugs are mutagens, mutations occur in the germ cells of parents.
2) In the fetus, under the influence of drugs, developmental disorders (deformity, dementia) occur.

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.