'It's not going away': Vets still seeing cases of dog heart problems linked to grain-free food

Debbie Turner remembers the shock when a veterinary specialist said her beloved dog, Kanga Lu, had severe heart damage. For weeks, Kanga had been experiencing odd symptoms, including fatigue, breathing problems and what her local vet assumed were seizures. But now Turner was being told that the Maltese-Chihuahua mix was in late-stage heart failure. The seizures, it turned out, had been fainting spells.-- More...