Top melanoma pathologist and brain cancer patient Richard Scolyer on becoming a guinea pig for science

Most people regard the idea of death as final and irrevocable. But in an ­important sense, each of us is in a ­constant cycle of death and rebirth. We have more than one hundred trillion cells in our bodies, many of which are dying or being damaged all the time, including by the sun and environmental toxins. For us to survive, those dead or damaged cells need to be replaced in a process known as cell division. Most of the time, healthy…