GCSE Biology - Cancer | Benign & Malignant Tumours

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*** WHAT'S COVERED ***
1. What Cancer Is
* A disease involving uncontrolled growth and spread of abnormal cells.
2. Understanding Tumours
* The difference between cancer and tumours.
* Definition of a tumour as an abnormal mass of cells.
3. Types of Tumours
* Benign tumours: contained, usually within a membrane, not cancerous.
* Malignant tumours: can invade tissues, spread via bloodstream, form secondary tumours, considered cancerous.
4. Risk Factors for Cancer
* Lifestyle factors: smoking, obesity, ultraviolet light exposure, alcohol consumption.
* Genetic factors: inherited genes increasing susceptibility (e.g., BRCA genes).

*** CHAPTERS ***
0:00 What is Cancer?
0:35 Tumours
0:53 Benign vs Malignant Tumours
1:48 Risk Factors - Lifestyle
2:41 Risk Factors - Genetics

*** PLAYLISTS ***










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