Which grain-free dog foods are best? If you’ve been following health trends, you’ve likely come across the paleo diet. It’s an excellent diet for many people and has led to questioning why it wouldn’t ...

Utah-based KetoNatural is suing Hill’s Pet Nutrition over health claims about “grain-free” dog food. Hill’s calls the suit “illogical,” and veterinarians are not eager to dismiss potential risks.

Grain-free dog food didn’t just appear out of nowhere. As gluten-free diets picked up, that idea slipped into pet food too. It sounded reasonable: if avoiding grains helps people, maybe it helps dogs ...