A five-year Finnish prospective study shows that daytime sleepiness, napping, restless legs syndrome, sleep talking, nightmares, and REM sleep behavior...

Parkinson's disease has long been a diagnosis of observation and inference. Doctors watched for tremor, rigidity, and slowness of movement,...

Parkinson's disease has long been defined by the microscopic inclusions known as Lewy bodies, dense aggregates of the protein alpha-synuclein...

Researchers have developed a video-based method for quantifying leg agility in Parkinson's disease, revealing previously underappreciated connections between lower-body motor...

A plant sterol best known for its role in one of the world's most mysterious outbreaks of neurodegenerative disease may...

Parkinson's disease has long been understood as a devastating condition for the individuals who live with it and the families...

Living amid greenery has long been framed as one of the simplest prescriptions for better health, and a growing body...

Inside every neuron, a molecular housekeeping system works around the clock: it engulfs damaged proteins and worn-out organelles in double-membrane...

Parkinson’s disease can turn an ordinary walk across a room into an unpredictable neurological challenge. A person may shuffle, hesitate...

Eye Movements May Reveal Which Form of Tau Pathology Is Affecting the Aging Brain A six-minute eye-tracking test may offer...