1. Bullying
2. Post traumatic stress
3. Verbal or/physical abuse
Answer:
Explanation:
When the body senses foreign substances (called antigens), the immune system works to recognize the antigens and get rid of them. B lymphocytes are triggered to make antibodies (also called immunoglobulins). These proteins lock onto specific antigens.
Playing with them or simply letting them rant and giving advice. Maybe helping out in some way