You can spend a lot of time and effort prepar­ing nutri­tious, qual­ity meals to safe­guard your family’s health. But is the coun­ter­top on which you chop your organic veg­eta­bles actu­ally caus­ing you harm? For the past sev­eral years, gran­ite coun­ter­tops have come under scrutiny as a poten­tial health threat because they can emit ele­vated lev­els of radioac­tive par­ti­cles, which has been asso­ci­ated with increased risk for cancer.