Caleb Langley, RN, is a dermatology nurse at an outpatient medical center in Hanover, New Hampshire. In the clinic, he assists physicians during skin biopsies and Mohs surgical procedures for treating cutaneous malignancies. He writes about sun safety and routine skin exams. Langley also reviews wound healing protocols with post-operative patients and teaches individuals how to perform head-to-toe skin assessments at home to catch unusual spots early.