Why do I get a headache after eating pork?

Chef's answer
But the nitrites used as preservatives in hot dogs, bacon, and lunch meats may dilate blood vessels and trigger headaches after eating in some people.11 Jan 2018
Frequently asked Questions 🎓
Nitrates and nitrites. These chemicals are found in many cured and processed meats, like hot dogs, ham, and bacon. Once they get into your system, they cause your blood vessels to swell, which can start a headache.5 Dec 2020
Nitrates and nitrites. These chemicals are found in many cured and processed meats, like hot dogs, ham, and bacon. Once they get into your system, they cause your blood vessels to swell, which can start a headache.5 Dec 2020
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