"Exploring Belief Systems: Navigating the Complexity of Religious, Pseudoscientific, and Conspiracy Beliefs"

Belief differs from mental illness in that belief typically refers to holding a conviction or acceptance of something as true, such as religious beliefs, while mental illness involves clinically significant disturbances in thoughts, emotions, and behaviors. But what about fringe beliefs, pseudoscience beliefs, and pseudo religions? If there is no empirical evidence of god or gods is being religious a mental illness?