Researcher photo (IMAGE) Walter and Eliza Hall Institute Caption Dr Agalya Periasamy and Dr Jacqui Gulbis (L-R) used fruit flies to decode an unexplained link between the development of Alzheimer's disease and a genetic variation that causes neurons to die. Credit WEHI Usage Restrictions Must credit WEHI if using License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.