Well, food allergies happen everywhere. But on the other hand, it is also very serious and dangerous to have this situation. Generally speaking, when you get food allergies, it is possible for your body to react to it. For example, it can lead to black circles under eyes. Also it can cause red eyes, watery eyes, even puffy eyes. Besides, food allergies can cause havoc with your body, and signs and symptoms could be triggered by ingestion, inhalation. And the symptoms can range from a runny nose to hives, or could get as serious as difficulty with breathing. So when you have food allergies, you should go and see a doctor as soon as possible.