AI Health Tools Read My Apple Watch Data—And The Results Were All Over the Map
The author tested OpenAI's ChatGPT Health and Anthropic's Claude by uploading a decade of Apple Health data (and later medical records) to obtain a simple cardiac-health grade. Outputs swung widely—ChatGPT gave an F, then a D after adding records; Claude varied between C and B—driven by noisy VO2 max estimates and changing resting heart-rate data. Experts say the analyses are not medical advice, and privacy promises to protect data aren’t HIPAA-covered. While AI health tools could unlock insights, the article argues they’re not ready for personal clinical decisions and should mainly support prepping for a doctor visit.
