Allergic rhinitis and hay fever are the result of our immune system’s overreaction to innocuous substances such as dust and pet allergens and pollen. The body reacts by producing histamines. Normal amounts of histamines in your brain are good – they are the things that keep us alert, attentive and awake. But when there are too many in the body, they produce the sneezing and other symptoms common to airborne allergy sufferers

Read More has used data from Instagram to create a list of the top 20 most popular countries to visit in the springtime. They created a total score for each country by adding together any hashtags related to spring or flowers, and then ranked them.

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