Cancer 3: Epidemiology of cancer

Question 1

What could account for the fact that there are different rates of different cancer types depending on geopgraphical location

Answer 1

1. Exposures
2. Genetics
3. Diagnosis rates (epidemic of prostate cancer due to screening programme increased diagnosis)

Question 2

Why are there higher rates of melanoma in autralia vs africa

Answer 2

Fair skinned people due to migration from europe, whereas africa darker skin, protected from mutations