What is the Greatest Risk Factor for Cancer

Question

What is the greatest risk factor for cancer?
A) family history
B) age
C) environmental toxins
D) diet
E) physical inactivity

Accepted Answer

Age is the greatest risk factor for cancer. As we age, our DNA is more prone to mutations that can lead to cancer. Other factors such as family history, environmental toxins, diet, and physical inactivity can also contribute to the development of cancer, but age is the biggest factor.