09/08/2015 02:35 EDT | Updated 09/08/2015 02:59 EDT

Childhood Obesity: How To Fight It In Your Family

Canada and the U.S. are currently seeing record levels of childhood obesity. The rates among youth and adolescents have tripled to almost one in three in the last three decades in Canada, according to the Canadian government.

One of the main concerns people have when it comes to eating a healthier diet is that it will cost too much money. But a Harvard study found that buying healthy food on average costs around $1.50 U.S. a day, that's $45 a month, to eat well.

Three factors play a role in a person's weight: genetics, diet and physical activity. Although genetics cannot be altered, making a few simple lifestyle changes can help make sure kids are healthy and in shape. Watch the video above to find out how to keep your kids healthy.

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