“Part 3 takes a look at the challenges of diagnosing and treating brain diseases. What should you do if you notice the early signs? Are they symptoms of another health condition that mimics dementia? Why have our research and clinical trials failed so miserably in coming up with cures and drugs to treat neurodegenerative ailments? What treatments are available at all levels of severity? How can a spouse remain healthy while caring for a partner with dementia (caregivers have a much higher risk of developing the disease)? Dementia is a moving target; caring for someone with the disease can be one of the most challenging jobs ever undertaken. No one learns in formal schooling how to deal with a loved one whose brain is in irreversible decline. For some, the brain changes are slow and subtle, taking years or even more than a decade for symptoms to become pronounced; for others, it’s sudden and rapid. Both circumstances can be difficult and unpredictable”