Dogged Dieting: Low-cal canines enjoy longer life

Holding back on the chow may be key to prolonging your pet’s life. That’s the message from a recently completed study of Labrador retrievers.

LEAN LIVING. Four-year-old Baby (left) consumed only 75 percent as many calories during her life as her plumper littermate, Sporty (right), did. Nestlé Purina PetCare

Since the 1930s, researchers have collected evidence that restricting the diets of rodents and invertebrates can extend their lives and delay the onset of age-related illnesses.