Paranoia is a mental health condition characterized by intense feelings of distrust or suspicion towards others. Individuals experiencing paranoia may believe that people are plotting against them or that they are being watched. This can lead to significant distress and impact daily functioning. Paranoia can be a symptom of various mental health disorders, including schizophrenia and delusional disorder. It can also arise from extreme stress, trauma, or substance abuse. Treatment often involves therapy and medication to help manage symptoms and improve overall well-being.