New research links air pollution to a higher risk of Lewy body and Parkinson's dementias. See how dirty air threatens brain ...

Add Yahoo as a preferred source to see more of our stories on Google. Large Danish study finds depression can appear up to eight years before Parkinson’s and Lewy body dementia. (CREDIT: Shutterstock) ...

Excess levels of a mineral responsible for healthy blood and brain function may raise the risk of Parkinson's disease and dementia, a study suggests. Iron is an essential mineral that helps make ...

Dementia in Parkinson's disease (PD) may occur less frequently or develop over a longer period than previously thought, an analysis of two studies suggests. Increasing age at diagnosis, male sex, and ...

Researchers in Japan discovered that Parkinson’s patients diagnosed in their 80s are far more likely to show signs of amyloid buildup, a hallmark of Alzheimer’s, even without dementia symptoms. The ...

Mitochondria keep brain cells alive and functioning smoothly. When these t energy factories falter, they can trigger a chain reaction leading to the death of neurons, a hallmark of Parkinson's.

The MarketWatch News Department was not involved in the creation of this content. HUDSON VALLEY, N.Y., April 7, 2026 /PRNewswire/ -- Angels on Call Homecare, an award-winning provider recognized ...

Deep-brain stimulation of a novel brain region can be safely performed in patients with Parkinson's disease dementia, and although it may not improve cognition, it does appear to have benefits on ...

Researchers from Denmark have uncovered strong evidence that depression often appears years before Parkinson’s disease and Lewy body dementia. The team, led by first author Christopher Rohde, analyzed ...