Nov 18, 2025 · Cancer cells start to form when genes, made up of DNA, experience certain changes (mutations) that cause the cells to behave abnormally. These changes may be inherited or caused …

View a transcript for the video about what is cancer and how does it start. It can take many years for a damaged cell to divide and grow and form a tumour big enough to cause symptoms or show up on a …

As cancer cells divide, a tumour will develop and grow. Cancer cells have the same needs as normal cells. They need a blood supply to bring oxygen and nutrients to grow and survive. When a tumour is …

Oct 5, 2021 · Cancer starts with DNA mutations that lead to unregulated growth and replication of mutated cells. Learn about how cancer grows, the difference between benign and malignant tumors, …

Learn how cancer cells form and spread in the body, including causes, stages, and metastasis. Discover key insights to understand cancer development and prevention.

Nov 17, 2025 · The cell nucleus holds most of the cell’s genes, and mitochondria make energy. Cells working right keeps our body in good shape. how cancer will come They talk to each other through …

Oct 11, 2021 · When cells grow old or become damaged, they die, and new cells take their place. Sometimes this orderly process breaks down, and abnormal or damaged cells grow and multiply …

Apr 19, 2025 · But sometimes, cancer cells develop ways to evade detection—by producing signals that suppress immune responses or by hiding their abnormal features. If they escape immune control, the …

Apr 25, 2022 · Active cancer cells can enter the bloodstream or lymphatic system and travel to other parts of the body. There they start the process of forming a tumor all over again somewhere else …

Over time, some cancer cells may invade distant tissues, a process termed metastasis, by entering the bloodstream or lymphatic network, and form secondary tumors at remote sites. The normal behavior …