Imagine watching the personality of someone you love slowly and inexplicably change. A once-reserved person becomes shockingly impulsive and inappropriate, or a fluent speaker starts struggling to form simple sentences, all while their memory remains intact. This is the confusing and often misdiagnosed reality of Frontotemporal Dementia (FTD). This disease strikes earlier than Alzheimer’s, typically between ages 45 and 65, and targets…