Lewy body disorders

This shows the outline of two bodies. One has the head highlighted red, the other has the gut highlighted red

Where does Parkinson’s disease start? In the brain or gut? Or both?

Lewy body disorders, including Parkinson's disease and Lewy body dementia, comprise of two distinct subtypes. One subtype originates in the peripheral nervous system (PNS) of the gut and spreads to the brain. The other originates in the brain, or enters the brain via the olfactory system, before spreading to the brainstem and PNS.... Read More...