Why do people with "inherited cancer" often develop cancer at a relatively young age?

Question

Quizplus · Accepted Answer

Inherited cancer is caused by certain alleles that weaken the normal control points that prevent cancer, and this causes cancer to appear earlier in life. Predisposition increases the chances that other risk factors will lead to the progression of cancer, but not all inherited alleles that are associated with cancer cause childhood cancers. Younger people may be exposed to more risk factors, but this is not the primary reason why people with inherited cancer develop cancer at a relatively young age.

Why Do People with "Inherited Cancer" Often Develop Cancer at a Relatively