Live Long and Master Aging
The Live Long and Master Aging (LLAMA) podcast is a weekly series of extended, one-to-one interviews, about human longevity. Hosted by Peter Bowes, leading scientists share their latest research into living a long and healthy life. We delve into the clinical trials and challenge new ideas. We also feature some remarkable people who have already mastered the art of aging. Hear about their insights into growing old, without feeling old, and the secrets of their longevity.
Live Long and Master Aging
Sniffing pleasant smells to improve memory | Michael Leon
Memory loss is often cited as one of the most worrying aspects of growing older. But what if the section of the brain that's responsible for memory could be stimulated by simply sniffing a few pleasant odors?
There is extensive research pointing to a relationship between exposure to different smells and memory improvement. A clinical trial led by Prof. Michael Leon at the Department of Neurobiology and Behavior, University of California, Irvine, suggests the loss of olfaction can cause the memory parts of the brain to deteriorate, while adding more smell experiences can improve memory. The research also explores the use of environmental enrichment, as it's known, to treat neurological disorders like autism.
Prof. Leon's team used diffusers to release various essential oils while participants slept, leading to improved memory and sleep. The results suggest that exposure to smells like orange and lemon significantly improves memory in older adults, with some experiencing a 226% increase.
Researchers have developed a device called Memory Air that automatically emits odors while individuals sleep, providing the brain with the necessary stimulation. In this interview we discuss the evidence and explore why such an approach could be valuable not only in improving memory but overall well-being.
▸ Read a transcript of this conversation + additional show-notes
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The Live Long and Master Aging (LLAMA) podcast, a HealthSpan Media LLC production, shares ideas but does not offer medical advice. If you have health concerns of any kind, or you are considering adopting a new diet or exercise regime, you should consult your doctor.
