"helena believes that people with psychological disorders are suffering from diseases that have physical causes that can be diagnosed, treated, and sometimes even cured. helena believes in the model of psychological disorders"

Helena believes in the medical model of psychological disorders"

Explanation:

The medical model of psychological disorders is based on psychiatry, which is a branch form medicine. Psychiatry has a therory that sustains that psychological dissorders have organic causes. There for the way they treat pacients is with medication. Medical vision of treatment belives in the possibility of curing someone with medication as other medical problem. There are medicine for anxiety or depression, or psycosis. This means medicine help treat the syntoms, so that they can be control or managed.

i think it's the first one because doctors aren't the ones who get rid of the old needles. most of them time it's not even doctors who give you shots, it's nurses.