You can remove your risk of dying in a car crash simply by staying at home, away from roads. You can't remove your risk of cancer. If you were enclosed in a w

You can remove your risk of dying in a car crash simply by staying at home, away from roads. You can't remove your risk of cancer. If you were enclosed in a windowless box with sufficient food, water, and air to live then it would be a race to see which would kill you first: boredom or cancer.