The once sleepy field of dermatology is bustling these days, as baby boomers, who spent their youth largely unaware of the sun’s risk, hit old age.

The number of skin cancer diagnoses in people over 65, along with corresponding biopsies and treatment, is soaring. But some in the specialty, as well as other medical experts, are beginning to question the necessity of aggressive screening and treatment, especially in frail, elderly patients, given that the majority of skin cancers are unlikely to be fatal.

“You can always do things,” said Dr. Charles A. Crecelius, a St. Louis geriatrician who has studied care of medically complex seniors. “But just because you can do it, does that mean you should do it?”

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