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can granite countertops cause cancer

Some researchers say they might, but a group representing the granite industry counters that those claims are “alarmist” and that their studies are little more than “junk science.”

At issue is whether some granite countertops emit dangerous levels of radiation, especially the gas radon, which is the second leading cause of lung cancer after smoking.

Experts agree that most granite countertops emit some radon and even other types of radiation. The question is whether they do so at levels that can impact cancer risk.

New York State Health Department research scientist Michael Kitto, PhD, says only a small fraction of the granite samples he has tested have emitted radon at levels that were over those considered safe.

But he added that a few of his samples showed levels that were high enough to alarm him.