Right. This was a concern that was raised in 2008, so in response Health Canada did a study. We looked at 35 different commonly used granites in Canada. Essentially, the result was that the risk is not from your granite countertops. Enjoy them. Keep them. The risk is in the ground under your home. The best thing you can do is to test your home for radon.
On June 18th, 2015. See this statement in context.