Definition of scholar. 1 : a person who attends a school or studies under a teacher : pupil. 2a : a person who has done advanced study in a special fieldb : a learned person.
Allergy migraines can be triggered by an allergic reaction to food. With a food allergy, the immune system mistakes a food as harmful and releases substances that can trigger head pain and congestion. Migraines can also be caused by seasonal allergies or hay fever. Seasonal allergies can cause the sinuses to swell, which can trigger migraines. Allergy migraines can also be caused by common indoor allergens like urine, dried skin, pet dander, cockroach particles, mold and dust mite droppings.
Allergies are a common cause of inflamed sinuses and headaches as well as runny or itchy nose, sneezing, itchy or watery eyes, blocked or itchy ears, rashes and wheezing. Allergies are in essence an overreaction by the body's immune system to one or more objects in the environment, called allergens.