Sleep

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...
This shows a man sleeping

Rare sleep disorder common among veterans with PTSD

21% of veterans who experience PTSD or traumatic brain injury suffer from a rare sleep condition that affects less than 1% of the general population. The condition, REM sleep behavior disorder (RBD), is characterized by an impairment of sleep-related muscle paralysis, causing people to act out dreams during REM sleep. The uncontrolled actions often cause harm to the sufferer of their partners. ... Read More...