> "95% of the sunscreens tested [by Choice] have high enough SPF to more than halve the incidence of skin cancer," Dr Wong said.
I found this surprising; is halving the incidence of cancer enough to consider it safe? I would expect 90 or 95% reduction in the incidence of cancer to be considered safe.
I found this surprising; is halving the incidence of cancer enough to consider it safe? I would expect 90 or 95% reduction in the incidence of cancer to be considered safe.