Are nanoparticles harmful?

Dr. Michael Roizen, MD
Internal Medicine
The FDA recently asked manufacturers to prove that nanoparticles are safe before adding them to food. But nanoparticles are already in some sunscreens. Sharecare expert Dr. Michael Roizen explains why you may want to avoid nanoparticles.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.