
The discovery of a ‘maternal age effect’ could be used to predict the accumulation of mitochondrial DNA mutations in maternal egg cells — and the transmission of these mutations to children. These mutations cause more than 200 diseases and contribute to others such as diabetes, cancer, Parkinson’s disease, and Alzheimer’s disease.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/_C49cuCVUnk/141013152816.htm