Answer:
having a family member in a gang
Explanation:
your family could get hurt behind certain circumstances
I think you demonstrate friction. Friction, I think.
He is most likely studying for pharmacotherapy since it is the study of medical treatment by means of drugs.
Pharmacokinetics studies hows the drugs move throughout the body. Both pharmacogenetics and pharacogenomics include the study of a person's genes.
He should relax and not rush so his heart rate is not high