
The Parkinson’s Mystery
Feb 24, 2015 & focus on environmental and occupational factors as potential causes of Parkinson's disease.
Gill Nelson is a professor and Head of the Occupational Health Cluster at the School of Public Health, University of the Witwatersrand in Johannesburg, South Africa.
Feb 24, 2015 & focus on environmental and occupational factors as potential causes of Parkinson's disease.
Nearly three months after Russia launched its invasion, Western countries appear more committed than ever to Ukraine’s defense, and, in some quarters, to Russia’s defeat. We asked PS commentators what outcome the West, Russia, and Ukrainians themselves can realistically expect.