Intranasal Insulin

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•Last Updated: August 28, 2025

Intranasal insulin is a method of delivering insulin to the central nervous system (CNS) by administering insulin with a spray device through the nasal cavity.

Last Updated:August 28, 2025

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Examining the effect of intranasal insulin on cognition and walking speed in older adults with and without type 2 diabetes

In this randomized controlled trial, 24 weeks of intranasal insulin therapy improved cognition and walking speed in older adult participants with and without type 2 diabetes.