Loneliness: Society's silent epidemic | In-Depth

One in five Canadians identify themselves as lonely, something that is more than just a feeling we sometimes have in our lowest moments. It's been described as an epidemic, and some say it is killing us. Feelings of loneliness have been linked to a higher risk for depression, anxiety, dementia, heart disease and diabetes. Ioanna Roumeliotis gives us an in-depth look into this world, and the people who are fighting to escape it.