Why is chocolate bad for dogs and cats?

Dogs and cats love food, but they are not supposed to have certain foods such as coffee, chives, onions, grapes, and garlic. But one very dangerous food for both dogs and cats is something many humans love: chocolate. When it comes to chocolate, it is toxic for both dogs and cats. This is because chocolate contains a chemical called theobromine, which is used medicinally as a blood vessel dilator, heart stimulant, and for other purposes. To learn more, click HERE.