Marty Reiswig is fit and healthy, but every two weeks he is injected with the experimental drug gantenerumab and has monthly MRI scans. He submits to this because a rare genetic mutation runs in his family that predisposes them to early-onset Alzheimer’s disease.We spoke to him about his experience on the trial, and why he chose to continue trialling the drug even after formal clinical trials were discontinued.Produced and narrated by Lorna Stewart.More on this story:News Feature: Could drugs prevent Alzheimer’s? These trials aim to find outResources for those affected by Alzheimer's:Alzheimer's associationAlzheimers.govAlzheimer's society See acast.com/privacy for privacy and opt-out information.