Eating processed meat may cause headaches

Scientists say evidence suggests processed meat could be linked to migraines

US scientists have claimed that the nitrate found in processed meats, such as bacon, may be the cause of migraines.

Nitrate is used to preserve processed meats like bacon and sausages, and scientists the University of California San Diego’s School of Medicine believe consumption of it may be causing migraines. As well as processed meats – which separately have been linked to bowel cancer – nitrate is found naturally in leafy vegetables.

Experts now believe that consumption of either of these food items – processed meats or leafy vegetables – may be linked to an increased chance of a migraine attack.

There is this idea out there that certain foods trigger migraines — chocolate, wine and especially foods containing nitrates,” said the study’s author Antonio Gonzalez. “We thought that perhaps there are connections between what people are eating, their microbiomes and their experiences with migraines.

Meat and migraines - a match not made in heaven

Researchers found that people who suffered from migraines tended to have levels of bacteria in their mouth and gut which process nitrate.

Nitrate can sometimes be converted into nitric oxide by the body which can aid one’s health by promoting blood flow and reducing blood pressure. However, it can also spark migraines.

Using public data made available by a citizen science project in the US, called American Gut Project, researchers Gonzalez and colleague Embriette Hyde analysed 172 oral samples of bacteria and 1,996 faecal samples.

We know for a fact that nitrate-reducing bacteria are found in the oral cavity,” said Hyde, project manager for the American Gut Project and assistant project scientist in the Knight lab where the study was conducted.

However, Gonzalez, who published his findings in the mSystems medical journal, said the findings did not necessarily mean there was a direct correlation to consumption of nitrate-rich foods and migraines.

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Comments (1)

Colin Farnum - 20 Oct 2016 | 06:49

Is the headline accurate?

Your headline focuses and denigrates one item- meat. But the issue appears to be nitrates, whatever the source. Maybe the headline should have been - 'Eating Processed Meats and Vegetables may Cause Headaches'! More accurate but probably lacking in journalistic appeal!

20-Oct-2016 at 18:49 GMT

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