Just about everyone on the planet knows chocolate is toxic to dogs. But there are many other food items that are dangerous for your dog to consume.
Grapes/Raisins
Before we were aware of this one, we noticed Yellow was reluctant to eat grapes that fell on the floor. Good thing, too! Grapes have a toxin that can cause severe kidney or liver damage, even in small amounts. Also be wary of giving your dog human cookies that may contain raisins.