Answer:
Clinical psychologists
Explanation:
Clinical psychologists are those who have completed their doctoral degree in clinical psychology and are trained to assess the mental health of people suffering from mental disorders by the use of psychological evaluations, testing, and other forms of clinical interviews. They are also licensed to diagnose and also provide people with either individual-based or group-based therapy.
You can say depression or health benefits
It should be 2, pituitary gland. (: It's referred as the master gland.
I hope all is well, and you pass. Good luck, rockstar!