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A Man Got 'Thunderclap Headaches' After Eating the World's Hottest Pepper

From TIME - April 10, 2018

Theres a cautionary tale in this weeks BMJ Case Reports journal, and its frightening enough to make anyone think twice about downing super spicy foods. According to doctors at Bassett Medical Center in Cooperstown, New York, a patient there developed excruciatingly painful headachesknown as thunderclap headachesafter eating the worlds hottest chili pepper.

It all started when the unidentified 34-year-old male entered a hot-pepper-eating contest, during which he consumed one Carolina Reaper pepper. The little red fruit was bred specifically for its spiciness, and it currently holds the Guinness World Record for the highest number of Scoville Heat Units, a measurement of chemical compounds called capsaicinoids.

The man immediately began dry heaving, which isnt terribly surprising. But he also experienced several seconds of intense head and neck pain. The sudden pain was so badand returned several times over the next few daysthat he wound up in the emergency room.

In the ER, a computed tomography (CT) scan showed that several arteries in the mans brain were narrower than they should be, prompting his doctors to diagnose him with thunderclap headaches caused by a condition called reversible cerebral vasoconstriction syndrome (RCVS).

Luckily, the patients headaches went away on their own, and a second scan five weeks later showed that his arteries had returned to normal. But his experience raises several questions: what is a thunderclap headache, is it dangerous, and is it normal to get them from spicy foods?

According to Dr. Troy Madsen, an emergency medicine researcher at the University of Utah, thunderclap headaches come on very suddenly and usually last less than five minutes. They hit you just like a crack of lightning and that sound of thunder, says Madsen, who was not involved with the hot-pepper case. Its all of a sudden, out of nowhere, 10-out-of-10 pain that reaches its maximum intensity within seconds.

While some thunderclap headaches happen without a known cause and are considered benign, they can also signal an increase or decrease of blood flow to the brain. For example, they can occur as the result of a stroke, a hemorrhage following a head injury, or a sudden change in blood pressure. In about 10% of cases, Madsen says, it can signify a ruptured brain aneurysm.

Thats whats so concerning with these types of headaches that come on so quickly, he says. Its different from someone who comes in with a history of migraines, or from another type of headache that comes on as a low rumble that gradually gets louder.

In the BMJ Case Report story, the patients headaches were due to RCVS, a temporary condition in which blood vessels spasm and become narrow, limiting blood flow to the brain. Some peoples brains may be naturally prone to RCVS, but it can also be caused by some medications (including birth control pills), marijuana or illicit drugs like cocaine and other stimulants. Its also more commonand tends to be more severein women.

The case report authors say they cant be sure that eating a Carolina Reaper caused those changes in the patients blood vessels and his subsequent headaches, and they note that this is the first case in scientific literature to link spicy food with problems like these.

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