To buy, or not to buy, snow tires: The age-old question

Studies have also shown that snow tires can decrease stopping distance on snowy and icy roads by up to 37 per cent.
Whether to buy snow tires (or winter tires) is one of those age-old questions. Many people would never consider braving our Canadian winter roads without them, while others don’t see the need for them when they have all-season tires. So, should you buy them or not? Here is some food for thought.