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Updated on October 16, 2026
A clear guide to body changes that deserve medical attention, from unexplained weight loss to unusual bleeding, lumps, cough, skin changes, and more.
Use this calm checklist to notice persistent body changes, track symptoms, and know when to contact a health professional.
Unusual symptoms are often caused by something other than cancer, but persistent changes deserve a medical check. Here is how to notice, track, and report them.