A "quack doctor" refers to an individual who pretends to be a medical professional but lacks the proper qualifications or training. These individuals often promote unproven or fraudulent treatments, misleading patients and potentially causing harm. Quack doctors may use persuasive tactics to gain trust, making it difficult for patients to recognize their lack of expertise. The term is commonly associated with alternative medicine practices that lack scientific backing. Many quack doctors exploit patients' desperation for cures, often targeting those with chronic illnesses. Awareness of medical fraud and the importance of consulting licensed professionals can help protect individuals from such deceptive practices.