Infections could be a trigger for the onset of the cancer in a limited number of susceptible individuals, those with a genetic predisposition.

The virus would hit this mutant cell and cause a second mutation, prompting the onset of cancers like leukemia or brain tumors.

Future research should try to identify specific infections which could potentially be a trigger. If these are found, it could lead to future preventative measures.

We found that place of birth was particularly significant, which suggests that an infection in the mother while she is carrying her baby, or in a child's early years, could be a trigger factor for the cancer.

The cancer was contained within the prostate and has been completely removed. We expect that his cancer is cured.

With a cancer patient, the person knows and is aware of a lot of the things going on. But in dementia patients, that is not the case.