This is a high-risk food to reheat because it can become toxic if exposed to high temperatures. However, this doesn’t apply to foods where eggs are involved throughout the preparation process. You mainly want to stay away from reheating boiled eggs or scrambled eggs.
This vegetable is mostly used for soups, and no one is complaining about that. Like other items on this list celery contains nitrates. But if you are going to reheat soup you should take out the celery, it is not good to reheat much like carrots. This is just a general understanding many people have with regards to this vegetable.
So next time you are thinking about throwing some leftovers in the microwave, or the oven, think about what you are reheating.
If your meal consists of any of these foods you should definitely reconsider. But if you are going to reheat food, which is not recommended, think about the health risks that are associated.