A decline in scent detection is linked to conditions like Parkinson’s and Alzheimer’s. However, recent studies suggest that restoring sensitivity to smell may not only slow cognitive decline but also reverse it. Researchers have developed novel training kits to improve olfactory abilities. Using these kits, scientists tested their effectiveness on reversing Alzheimer’s symptoms in mice. The results showed promising promise for this innovative approach, offering new hope for those suffering from the debilitating disease.
Source: https://www.newscientist.com/video/2481473-can-training-your-sense-of-smell-help-reverse-cognitive-decline