Reading Time: 5 minutes Why is your cat always hungry? He has his reasons for constantly begging for food, and one of them isn’t to be a pest! Hyperthyroidism and diabetes can make cats hungry all the time and eat nonstop although they’re losing weight. A bored cat is always hungry, too. And take a look at your cat’s food. Some ingredients, like beet pulp, leave cats always feeling hungry. Keep reading, and I’ll tell you what to do about your nagging, hungry cat.