MUC1, a protein draped in a shimmering cloak of sugar chains, plays a dual role in our lives: guardian of the inner sanctum in healthy cells and, paradoxically, a mischievous accomplice in the dance of cancer. Unraveling its secrets requires us to delve into the intricate world of mucus, cellular structure, and the delicate tango between health and disease.   What is MUC1 protein? MUC1...