to split foods in the middle without completely separating the halves, then spreading the halves to resemble a butterfly. This exposes more of the food's surface to allow for quicker and more even cooking.
A migraine headache is a potentially debilitating attack that often causes severe pain that comes in throbbing or pulsating waves on one side of your head. The headache can be further irritated by sensitivity to light and sound. It is not uncommon for the migraine sufferer to experience nausea and/or vomiting as well.
The headache of heart disease is usually dull, one sided, and experienced in the face, eye or forehead. It can even be felt in the back of the head (about 20% in one series were occipital headache). There has been a recent case of Thunderclap Headache caused by an acute heart attack.