The difference between a child psychologist and a child psychiatrist is important to understand. Child psychologists are doctors trained to diagnose mental and behavioral disorders, and can provide therapy and counseling.
Not all lectins are bad, but some are (or at least, can be). A subset of lectins that can be found in large concentrations in the seeds of grasses (i.e. grains) and the legume family do have some properties that can make them very problematic for human health, namely that:
The worst lectins are found in the following foods 1  : Grains (wheat, quinoa, oats, buckwheat, rye, barley, millet, corn, and possibly rice, although most of the lectins in rice are not in the part that gets eaten). 2  Legumes (any kind of bean plus peanuts, which have a particularly bad lectin).