Series 3 Episode 10. Julie Reynolds and Kash Patel. Maternally inherited diabetes and deafness

Julie Reynolds describes how she gradually lost her hearing in her 30’s and developed diabetes in her 40’s these 2 conditions also developed in in her mother, her children and other maternal relative. This led to a diagnosis of maternally inherited diabetes and deafness that results from a change in the mitochondrial DNA.  Kash Patel explains the science between diabetes, deafness and a maternal inheritance and why there is a lot of variation in the presence and severity of clinical features