Parasitism, that should be the correct answer for this question!
Oils<span> and fats are an important part of a balanced and </span>healthy diet<span>, for the following reasons: Why </span>do we need oils<span> & fats in </span>our diet<span>? Several fatty acids are “essential”, as </span>our<span> bodies and organs (e.g. brain) must </span>have<span> them to maintain </span>health<span>, but cannot produce them. They must be provided via </span>food<span>.</span>
To give evidence supporting the writer's belief.
I would say C, schizophrenia,
because schizophrenia is "a mental disorder that in many ways centers around not recognizing what is part of reality – namely, having psychotic breakdowns." It is not related to anxiety, as anxiety is classified as "neurotic" while schizophrenia is classified as "psychotic".