Research into therapies for Alzheimer's disease and dementia is progressing, and one day soon we may reach a point where those at high risk for cognitive impairment may be able to delay onset for so long that they never experience symptoms. How does Alzheimer's really affect the brain, and how are doctors getting better at diagnosing it? Are there things we can do every day to reduce our risk? To learn about the latest in prevention, diagnosis and treatment, Medcan senior medical consultant Dr. Lorne Greenspan and clinical director of genetics Jessica Gu check in with a global expert on the disease, Dr. Sharon Cohen of Toronto Memory Program, to hear about the state of the art in Alzheimer's.

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