Google’s AI Health Advice Faces Scrutiny Over Misleading Information and Delayed Disclaimers

Google’s AI Overviews, designed to provide quick answers to search queries, are under fire for delivering inaccurate and potentially harmful health information. A recent investigation by The Guardian revealed that the AI-powered summaries often lack crucial context and fail to prominently display necessary disclaimers, raising concerns among medical experts and patient advocates.

AI Overviews and the Risk of Misinformation

Google introduced AI Overviews in May 2024, aiming to streamline information access using generative AI. Still, the feature has been plagued by “hallucinations” – instances where the AI generates incorrect or nonsensical responses. While some errors have been relatively harmless, inaccuracies in health-related advice pose a significant risk to users.

The Guardian’s investigation found examples of AI Overviews providing misleading information about liver function tests, pancreatic cancer treatment, and women’s cancer screenings. Specifically, the AI provided normal ranges for liver blood tests without accounting for factors like age, sex, nationality, or ethnicity The Guardian. It also incorrectly advised individuals with pancreatic cancer to avoid high-fat foods, contradicting established medical recommendations Futurism.

Delayed and Obscured Disclaimers

Google states that AI Overviews are intended to be a starting point for information, encouraging users to seek professional medical advice. The company claims its AI Overviews prompt users to seek professional help when appropriate The Guardian. However, the investigation revealed that critical disclaimers are not displayed upfront.

Instead, disclaimers such as “For medical advice or a diagnosis, consult a professional. AI responses may include mistakes” are hidden at the bottom of the AI Overview, only appearing after users click “Demonstrate more” and scroll to the very end The Guardian. These disclaimers are also presented in a smaller, lighter font, making them easily overlooked.

Expert Concerns and Google’s Response

AI experts and patient advocates have voiced concerns about the placement and prominence of these disclaimers. Pat Pataranutaporn, a researcher at MIT, emphasized that the absence of upfront disclaimers creates a “critical danger” by fostering automatic trust in potentially inaccurate information The Guardian. Gina Neff, a professor at Queen Mary University of London, argued that the design of AI Overviews prioritizes speed over accuracy, leading to dangerous mistakes The Guardian.

Google maintains that AI Overviews “encourage people to seek professional medical advice” and often include such recommendations within the summaries The Guardian. However, critics argue that this is insufficient, as users may not see or heed the advice before acting on the initial, potentially flawed information.

Recent Actions and Ongoing Issues

Following the Guardian’s reporting in January 2026, Google removed AI Overviews for some, but not all, medical searches TechCrunch. For example, AI Overviews are no longer displayed for queries like “what is the normal range for liver blood tests” and “what is the normal range for liver function tests” TechCrunch. However, variations of these queries may still generate AI-powered summaries.

Sonali Sharma, a researcher at Stanford University, highlighted that the prominent placement of AI Overviews at the top of search results can create a false sense of reassurance, discouraging users from seeking further information The Guardian.

The Need for Prominent Disclaimers

Experts like Tom Bishop, head of patient information at Anthony Nolan, advocate for more prominent disclaimers, suggesting they be placed at the top of AI Overviews in the same font size as the surrounding text The Guardian. The goal is to encourage users to critically evaluate the information and consult with healthcare professionals before making any decisions based on AI-generated advice.