You can have a reaction to various foods, but it’s not always an allergy – the difference lies with your immune system.
Medically reviewed by Daniel More, MD A tree nut allergy occurs when a person cannot eat a certain type of nut because their immune system deems certain proteins found within it as harmful. This ...
That's because they cause vasoconstriction — or the constriction of blood vessels — which improves blood flow and reduces puffy eyes. "Allergies can contribute to undereye circles due to ...