One of the major issues associated with longer life expectancy in man and his best friend is an increase in the incidence of cancer. Even though they cannot talk it seems dogs might be able to tell us why and how certain cancers develop. In turn that could lead to better treatments for both canine and human cancer patients. An expert from the country’s newest Vet School will tell a symposium in London that studying tumours in dogs and humans could give us a better understanding of their shared pathogenesis.