Never before in human existence have the aged been so numerous - and for the most part - healthy. In this important new book, two professionals, an anthropologist and a physician, wrestle with the complex subject of aging. Is it inevitable? Is it a burden or gift? What is successful aging? Why are some people better at aging than others?...

Everything in the universe is made of two kinds of spin particles, the Boson and the Fermion. Those with integer value spin 0?,1?,2?...are Bosons,with half-integer value spin ?/2, 3?/2, 5?/2... are Fermions....