The Origin of Cancer and Role of Cancer Stem Cells

Even though there\'s been great progress in cancer research, one thing that is doubtful, is- what is the Origin of Cancer and which cells does the cancer originate from? Cells are the smallest units of living matter. Furthermore, different cell types make up tissues and then there are organs and organ systems, all which together make  up an organism. Similarly, now scientists have found clues that cancer cells are arranged in a similar way....