Why bad health information can seem so convincing – and five ways to resist it

The Conversation explores why fraudulent health claims spread so easily online. Psychologist Anna Stone explains how bad information becomes convincing: AI-generated fake doctors, fabricated wellness trends, and misleading celebrity endorsements gain credibility in clever ways. Influencers create a false sense of personal connection with followers — researchers call it a parasocial relationship. AI accounts mimic the language and appearance of real clinicians. Personal stories are especially persuasive: someone gets sick, tries a treatment, recovers. But one person's experience can't prove a treatment works for everyone. Fear and hope make claims feel urgent. When advice comes from people in our community or with our identity, rejecting it can feel like rejecting belonging. The analysis reports five practical defenses: examine claims separately from who's making them, look for independent evidence and expert agreement, check for hidden financial interests, be skeptical of sweeping promises, and watch for secrecy or pressure to abandon prescribed care. But individuals can't shoulder the whole burden alone. The real solution requires platforms that stop amplifying false claims, health services that earn trust, and effective regulation.

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