Cancer, a disease of the cells Some illnesses are caused by the alteration of genetic material , which can modify cellular morphology, structure and function . There are many causes of cancer. The best ways to reduce the risk of cancer are prevention and early detection . Myths about cancer According to experts, there are more lies and rumours about cancer on the internet and in social media than about any other disease. Some say that drinking water with baking soda while fasting will cure it. Others say that cancer is contagious. Go to the Cancer Research UK website again and type "cancer myths" in the search field . Choose four myths that catch your attention and write a brief summar y. DISCUSS. Why do you think there are so many rumours about cancer? A benign tumour grows slowly and is localised in just one part of the body, without invading other tissues. A tumour is malignant and is considered cancer if the cells multiply and invade other tissues. Metastasis is when this uncontrolled growth spreads into another organ and forms a new tumour. MOST COMMON CANCERS LUNG LIVER BREAST PROSTATE STOMACH COLORECTAL Environment Obesity Radiation Poor diet Genetics Age Alcohol Sunlight Tobacco Infection 18.1 million cases in 2018 RISK FACTORS Our cells are programmed to grow, divide and die. However, sometimes tissue cells undergo uncontrolled cell division . They accumulate and form a tumour. OR FALSE T R U E ? 24 3. Cellular differentiation
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