Should You Reschedule That SAT? As Pollen Counts Rise, Test Scores Can Fall

This is the time of year my kids and I have seasonal allergic rhinitis, better known as hay fever.

I’d always thought it was merely a nuisance, but it turns out it also degrades cognitive performance, at least a little. Hay fever affects at least 10 percent of the population, and a higher percentage of children. The most obvious signs of allergic response include sneezing, itching and a runny nose. These can disrupt sleep, leading to fatigue, and the allergy can cause neurocognitive deficits we may not notice in ourselves or in our children. Medications used to treat the allergy can also induce sleepiness in some people....
https://www.nytimes.com/2017/05/22/upshot/should-you-reschedule-that-sat-as-pollen-counts-rise-test-scores-can-fall.html?em_pos=small&emc=edit_up_20170522&nl=upshot&nl_art=1&nlid=78638145&ref=headline&te=1