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Moore: Sunscreen lotions, which are designed to block skin-cancer-causing ultraviolet radiation, do not do so effectively. Many scientific studies have shown that people who have consistently used these lotions develop, on average, as many skin cancers as those who have rarely, if ever, used them.
3.
The reasoning in Moore's argument is most vulnerable to criticism on the grounds that the argument
a
takes for granted that there are no other possible health benefits of using sunscreen lotions other than blocking skin-cancer-causing ultraviolet radiation
b
fails to distinguish between the relative number of cases of skin cancer and the severity of those cases in measuring effectiveness at skin cancer prevention
c
fails to consider the effectiveness of sunscreen lotions that are not specifically designed to block skin-cancer-causing ultraviolet radiation
d
relies on evidence regarding the probability of people in different groups developing cancer that, in principle, would be impossible to challenge
e
overlooks the possibility that people who consistently use sunscreen lotions spend more time in the sun, on average, than people who do not