GCSE Biology - What is Cancer? 'Benign' and 'Malignant' Tumours Explained #43

The video tutorial clarifies the difference between benign and malignant tumours, explaining that only malignant tumours are classified as cancer due to their ability to spread and cause damage. It highlights various risk factors for cancer, including lifestyle choices like smoking and obesity, as well as genetic predispositions such as BRCA genes linked to breast and ovarian cancer.

What is the main difference between benign and malignant tumours?

How do malignant tumours affect the body compared to benign tumours?

What are some risk factors that can increase the chance of developing cancer?

Can you explain the link between smoking and cancer?

What role do genes play in the susceptibility to certain cancers?