JARVIS—Who is it in your life? A family member? A friend? A neighbour? A co-worker? We all know someone living with or impacted by dementia. Kathy Brunton waves to the camera as she walks for her mother-in-law-Helen at the Walk for Alzheimer’s. More than 700,000 Canadians are currently living with dementia, and that number is expected to double in 10…