Uncontrolled cell growth is cancer. Gene mutations can increase the pace of cell division or suppress natural mechanisms that keep the body in check, like cell cycle arrest or programmed cell death. A tumor can form as a collection of malignant cells enlarges.
- Cancer cells disregard signals from the body to cease dividing. Apoptosis, also known as programmed cell death, is a natural process that your body uses to get rid of cells that are no longer needed.
- Changes (mutations) to the DNA within cells are what lead to cancer. A cell's DNA is organized into a huge number of distinct genes, each of which carries a set of instructions outlining the functions and growth of the cell.
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