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Cancer Biomarkers: A Quiet Revolution in Early Detection and Personalized Care
Cancer is a word that brings fear, uncertainty, and countless questions. But behind the scenes, science is steadily changing how we understand and fight this disease. One of the most powerful tools in this progress is the use of cancer biomarkers. Though the term may sound technical, the idea is simple—biomarkers are clues inside the body that help doctors detect cancer, understand its behavior, and choose the best treatment.
A cancer biomarker can be a protein, gene, hormone, or even a specific change in cells. These markers are found in blood, tissue, urine, or other body fluids. What makes them so valuable is their ability to signal that something is wrong even before symptoms appear. In many cases, early detection can mean the difference between successful treatment and advanced disease.
For example, prostate-specific antigen (PSA) has long been used…