Peter Ward: Eternal life or living for today?

Do you want to live forever? Or do you prefer to focus on living for as long as possible while enjoying the best of health? Lifetime aspirations come in many forms and are often merged together - or confused - under the banner of human longevity. Some are more realistic than others. In his new book, The Price of Immortality: The Race to Live Forever, the British journalist, Peter Ward, teases apart the many interventions being touted as possible 'cures' for aging or tools to help us live on...