There is a very moving and ancient connection between cancer and depression.
A positive attitude does not cure cancer, any more than a negative one causes it.
There's a rising cancer trend and, as I said, one of the major contributors is the overall ageing of the population - we aren't dying of other things, so we're dying of cancer.
I think the way we think about cancer, the way we treat cancer, has dramatically changed in the last century. There is an enormous amount of options that a physician can provide today, right down from curing patients, treating patients or providing patients with psychic solace or pain relief.
There is a duality in recognising what an incredible disease it is - in terms of its origin, that it emerges out of a normal cell. It's a reminder of what a wonderful thing a normal cell is. In a very cold, scientific sense, I think a cancer cell is a kind of biological marvel.