15. Rhubarb
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Rhubarb is good for humans, bad for pups!
If you feed your dog some rhubarb, or if they get ahold of it somehow, it can cause renal failure, since the leaves and the stem are known for depleting calcium in a dog’s body.
Keep the rhubarb far away from your dogs, and make sure that they don’t manage to get into any pie that you make.
