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:
Executive Summary of the Lectin Avoidance Diet. My simple lectin avoidance diet formula: Eat meat and seafood, as much as you want, mostly in the day. Supplement with this Life Extension Mix Powder for basic nutrition. The lectin avoidance diet excludes grains, beans, nuts, seeds, most potatoes and all dairy. Allowed foods include all seafood, meats, chicken/turkey (all fowl), eggs (if not allergic) and most fruit and vegetables. Romaine lettuce, cruciferous veggies, cucumbers, and celery are the best vegetables to include.