Cancer easy definition
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These studies suggest cancer is a disease caused by abnormal and uncontrolled cell growth, leading to malignant tumors and loss of normal organ function.
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Understanding Cancer: A Simple Definition
What is Cancer?
Cancer is a disease characterized by the uncontrolled growth of abnormal cells in the body. These cells can form malignant tumors, which are harmful growths that disrupt normal body functions.
How Cancer Spreads
Cancer cells have the ability to metastasize, meaning they can spread from their original location to other parts of the body. This spread can occur through the bloodstream or the lymphatic system, depending on the type and severity of the cancer.
Symptoms and Effects
Cancer often causes a variety of symptoms, including fatigue, weight loss, anemia (low blood count), pain, weakness, depression, and shortness of breath. It can also lead to infections and damage to the area where it started.
Modern Definition of Cancer
Recent updates to the definition of cancer emphasize that it is not just about uncontrolled cell growth. Cancer involves transformed cells that undergo genetic and epigenetic changes, making them subject to evolution by natural selection. This modern perspective highlights the complexity and adaptability of cancer cells.
Conclusion
In summary, cancer is a complex disease involving the uncontrolled growth and spread of abnormal cells, which can lead to significant health issues and requires specialized medical care. Understanding its basic definition helps in grasping the broader implications of this disease.
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