Better Brain Fitness (a Brainjo Production) #69: How to recover from loss of smell and boost cognitive function
Mar 7, 2025
The discussion dives into the surprising link between the loss of smell and cognitive impairments, particularly in relation to dementia. Hear about the challenges of recovering olfactory function post-COVID and its implications for brain health. The hosts suggest olfactory training with essential oils as a fun way to regain that sense. They also highlight the importance of understanding chronic inflammation and recommend proactive health measures to boost cognitive fitness. Engaging sensory experiences might hold the key to better brain health!
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Smell and Cognition
- Loss of smell, like vision and hearing loss, is linked to cognitive decline and dementia.
- This aligns with the theory that cognitive stimulation prevents decline, as less sensory input means less stimulation.
COVID-19's Impact on Smell
- COVID-19 impacts smell and taste, with some individuals experiencing long-term loss or alteration.
- The virus infects support cells, not neurons directly, leading to inflammation.
Restoring Smell
- Rule out other smell loss causes with an ENT and consider a nasal corticosteroid.
- Olfactory training can help restore smell by stimulating neural pathway reorganization.