Summary: <p>Current treatments for Parkinson’s ameliorate the core, motor symptoms. However as we look for therapies to modify the underlying course of the disease there’s a need to better understand its development. Jonathan Evans, from the Cambridge Centre for Brain Repair, University of Cambridge, UK, explains what his work has revealed, and how it can progress treatment.</p><p>And the latest evidence in the debate on whether multiple sclerosis prevalence increases with latitude. Steve Simpson Jnr, Menzies Research Institute, Tasmania, Australia, tells editor Matthew Kiernan how his meta-analysis supports the link, and clears up some of the questions around the association.</p><p>See also:</p><p>The natural history of treated Parkinson’s disease in an incident, community based cohort http://tinyurl.com/bc6grnc</p><p>Latitude is significantly associated with the prevalence of multiple sclerosis: a meta-analysis http://tinyurl.com/bedfy9c</p>
