08/04/2026
Parkinson's doesn't always start in the brain.
In many cases, it may actually begin in the gut.
Changes in digestion.
Chronic inflammation.
Shifts in the microbiome.
These can send signals to the brain through the vagus nerve, long before neurological symptoms show up.
So by the time tremors or movement issues appear, the process may have already been happening somewhere else entirely.
That's why looking beyond the brain is so important when it comes to understanding Parkinson's.
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