Cancer

• cancer is caused by uncontrolled cell growth and divisions
• Benign tumours are non cancerous and stay within a membrane rather than invading healthy tissues
• Malignant tumours are cancerous and spread to neighbouring cells and tissues. they invade healthy tissues and cells forming secondary tumours which can be fatal.
• Smoking increases the risk factor of lung cancer
• obesity increases the risk of bowel, liver and kidney cancer
• UV exposure increases the risk of skin cancer
• viral infections like hepatitis B and hepatitis C increase the risk of liver cancer
• Some may inherit a faulty gene making you more susceptible to cancer