Coffee Can Cure A Headache, But Can Also Trigger It
Caffeine Constricts Blood Vessels, Curing Headaches, But It Can Cause Then On Other Persons
Some people believe that caffeine can ease a headache, while others think the contrary, that it can cause a headache. According to specialists, both statements are true. One of the effects of caffeine is acting as a vasoconstrictor, narrowing the arteries, which alleviates the headaches. Painkillers, such as acetaminophen and aspirin have an increased effect if combined with caffeine. On the other hand, sudden caffeine withdrawal can also cause headaches. An ingredient of tea, coffee, called tannins can also trigger a headache for some people. Click here for more info.