Remember the last time you had a mosquito bite, an allergy ridden nose, or a rash. The sensation that makes these small ailments torments is the desire to itch and experience that sweet relief following the act of scratching.
But much of what we experience when we feel an urge to itch is actually deep in the brain. On Wednesday's Central Standard we'll look at the science of itching and take a look into the the pain and mystery behind migraine headaches.
The brains of people who grow up speaking two languages are wired differently, and those differences protect them from dementia as they age.
That's the news from two studies out this month from a scientist in Canada who has spent decades trying to figure out whether being bilingual is bad or good. "I've been doing this for 25 years," Ellen Bialystok, a distinguished research professor of psychology at York University in Toronto, tells Shots. "Suddenly people are interested. I figure it's because everybody's scared about dementia."