Not much evidence daily sunscreen can prevent skin cancers

There isn’t much evidence to conclusively prove that daily sunscreen use can prevent most skin cancers, a research review concludes.

But that doesn’t mean we shouldn’t use sunscreen, doctors say. It just means it’s unethical to do experiments testing the effectiveness of sunscreen by randomly assigning some people to use it and others to skip it.

“Lack of high quality experimental evidence should not be equated with evidence that such interventions are ineffective and it is important that patients and consumers do not stop protecting their skin until better quality evidence emerges,” lead authors Dr. Ingrid . . .