A declining ability to detect scents is linked to conditions including Parkinson’s and Alzheimer’s. But restoring sensitivity to smell might not only reduce cognitive decline – studies also show it could even reverse it. Our reporters put the latest scent training kits to the test and explored the research behind our our most neglected sense.
Richard Doty from sensonics and Ellen Rowland, founder of AmberLuna Apothecary, supplied test equipment used in this video
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