An online theory suggests that single women look younger, but does this oversimplify our relationship to love?

Shop the best collagen creams with dermatologist-backed tips on ingredients to look for, plus expert-approved picks for smoother-looking skin.

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Collagen-enriched protein bars were shown to help ...