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Read more by Darcy Jimenez Darcy became managing editor at C+D in April 2026, after joining as a senior reporter the previous August

OTC products cannot treat them: Topical retinoids, vitamin C, and chemical exfoliants can improve surrounding skin texture but cannot fill or remodel the deep channel of an icepick scar

Bosi E, Molteni L, Radaelli MG et al (2006) Increased intestinal permeability precedes clinical onset of type 1 diabetes

"GLP-1s are the first in class, but that doesnt make them the best in class." Amylin analogs in a GLP-1 world Semaglutide, the main molecule in Novo Nordisks popular Ozempic and Wegovy, acts like the GLP-1 hormone secreted by the intestine