Double check the blood types and reread the patients medical history
Explanation:
The heart helps fight diseases by sending signals to either the pituitary gland or the microglia acts as a 1st responder once it senses an attack. it does this by boosting production of a molecule PCTR1, helps WBC's kill invading bacteria..
I think the answer is Workplace stress
the person wouldnt have proper grammar or grade level responsivness may find a specia way of dealing with things