Photo: 123RF
Science commentator Malvindar Singh-Bains joins Kathryn to look at how a common diabetes drug could be linked to slower cognitive decline and lower the dementia risk in Type-2 diabetics.
She also covers research into a case of a man who developed Parkinson's symptoms after contracting Covid-19 - is it a link, or coincidence?
Malvindar Singh-Bains is a research fellow at the University of Auckland.
