Radhika Dhingra, who suffers from dementia, continues to preach her religious beliefs while she is offered a glass of water by her son, Shan Dhingra on Sept 3, 2010 in Mississauga, Ontario. Shan and his wife, Mary Dhingra, both struggling with health issues themselves care for Radhika in their small apartment. Finding caregivers who speak their language and understand their culture is becoming a huge issue as Canada's immigrant population.