Editorial: Are we entering a new age of Enlightenment? The annual survey of who was doing what with their bodies, conducted by the charity Sense About Science, found a relatively high proportion of celebrities turning their backs on the mountebanks of the snake-oil industry. Step forward Jennifer Aniston, no longer the kooky girl next door, as Rachel from Friends, but a beacon of scientific sense, who dared to declare that "fads are too much" and that fasts and "cleansing" (of the colonic kind) may actually be bad for your body. Jennifer, welcome to the Age of Reason.