Fact Check: Does Hormone Therapy Lower Alzheimer’s Risk by 35% and Cognitive Decline by 64%?

Media Bias Fact Check (MBFC) publishes daily vetted fact checks from verified IFCN-approved sources. Each claim is independently reviewed for accuracy and context.

Claimant: Robert F. Kennedy Jr.

Claim: Hormone therapy lowers Alzheimer’s disease risk by 35% and cognitive decline by 64%.

Rating: MISLEADING

Explanation: These figures are drawn from small, outdated, or methodologically weak studies. Larger and more recent research shows no reduction in dementia risk from hormone therapy and in some cases indicates an increased risk.

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Date: 12/30/2025

 

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Last Updated on December 30, 2025 by Media Bias Fact Check

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