Purina Veterinarian Explains Why Senior Dog Nutrition Needs to Start Earlier Than Owners Expect

Dr. RuthAnn Lobos, who trains for marathons alongside her own dogs, on why a dog's drive can mask the early signs of aging ST. LOUIS, Aug. 19, 2026 /PRNewswire/ -- Dr. RuthAnn Lobos spends her early mornings and weekends logging miles outside with her own dogs. It's there that she sees a...