David believes that he is president of the United States and that there is a conspiracy to kill him. David's beliefs are examples of that are considered symptoms of schizophrenia.

Delusions; positive

Explanation:

Schizophrenia is a mental health disorder in which an individual's thought pattern, behaviour and emotions are distorted. The individual often loses touch with reality. Someone having schizophrenia often witness any or a combination of the following symptoms such as hallucination, disorganized speech, impaired motor behavior, delusions.

Delusion is a positive symptom of schizophrenia, which involves the individual having an unrealistic belief that they are very important and as such some certain persons are after them to hurt them.

David's beliefs are examples of delusions that are considered positive symptoms of schizophrenia.

ne pare rău, dar când mi-am căutat întrebarea, doar avioanele au apărut .. deci, ar putea fi răspunsul, sau ar putea fi baloane cu aer cald, deoarece acestea pot conta și ca ambarcațiunile de aer, dar nu sunt complet sigur de asta. a fost doar o presupunere, sper că am ajutat, îmi pare rău dacă nu am făcut-o. de asemenea, folosesc traducerea google, pentru a traduce ceea ce spun în engleză, așa că îmi pare rău dacă gramatica sau chiar limba nu este corectă