Ozzy Osbourne has never been one to back down from a fight. But in recent years, the rock legend has faced one of his ...

People with Parkinson's disease are more likely to develop certain types of dementia. Find out about the causes ... many scientists consider these two conditions to be the same disease but with ...

The work, published in npj Parkinson's Disease ... "It's a very large cohort with different countries, study groups, stages of the disease, and even types of data. So the innovation of the ...