Catarina Silva, MSc,  —

Researchers reported a significant relationship between sleep disturbances in Parkinson’s disease (PD) patients and their disease-related disability, including tremors, impaired posture, and slowed movement. Also, excessive daytime sleepiness and REM sleep behavior disorder were more common in PD patients than control subjects. The study, “…

The olfactory bulb is significantly smaller in Parkinson’s disease patients compared to healthy individuals, a new study found, providing an anatomical explanation for the loss of the sense of smell in the early stages of the disease. The discovery, “A ventral glomerular deficit…