Andrew Huberman· PhD
although sometimes early signs of dementia or loss of neurons in other regions of the brain related to say Parkinson's can show up first as a loss of sense of smell.
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The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
although sometimes early signs of dementia or loss of neurons in other regions of the brain related to say Parkinson's can show up first as a loss of sense of smell.
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neurons in the retina is often associated with other forms of central degeneration Alzheimer's um Parkinson Etc
loss of the sense of smell is one of the if not the earliest sign of neurodegenerative disease so for example in Parkinson's disease there's uh uh loss in the sense of smell probably 10 years before any other symptom
in med school decreased odor identification the first thing i thought of was parkinson's disease that's something that's that's common in pre-clinical parkinson's so before someone gets the tremor and the slow movements and the shuffling gait meaning the walking is slow and and and the rigidity odor identification loss of smell is something that can you know be a harbinger of badness for a neurodegenerative disease to come well the studies have shown that loss of smell or lack of the ability to precisely identify certain smells can be a harbinger of alzheimer's disease as well