“Caffeine is a huge issue for people with migraines,” Jon Katz, founder of the migraine-friendly food brand Amia, says. “Caffeine is known as a vasoconstrictor, which means it constricts blood vessels in the brain. The interesting thing is that migraines happen when blood vessels dilate, so the caffeine actually helps alleviate an active attack, but then it causes rebound when the caffeine wears off.”
Is decaf “the new sober”? | Salon.com
I read this with some reluctance, since I like coffee. But I have to admit they make a good point.






