Hill's Prescription Diet c/d Metabolic + Urinary Stress Dry Cat FoodHill's Prescription Diet c d Metabolic + Urinary Stress Dry Cat Food Just like the human epidemic, over 50% of the cat population is overweight. Even a little extra weight can impact the pets quality of life and its relationship with family members because that extra weight may: reduce play time, put your cat at risk of urinary conditions like bladder stones, and negatively affect the lifelong general health of your cat. Stress has also been shown to