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No, fermented foods don’t cause Candida infections in healthy people; watch sugar and choose live, low-added-sugar options if symptoms flare.

No. Fermented foods as a group do not cause cancer; risk links apply to a few salty or preserved items and high intake patterns.

Yes, fermented foods can trigger headaches in some people due to tyramine, histamine, and a few other compounds found in these foods.

Yes, fermented foods can cause bloating in some people due to FODMAPs, histamine, fiber, carbonation, or a quick shift in gut microbes.

Yes, fermented foods can trigger acid reflux in some people, while others tolerate them; watch acidity, carbonation, fat, spice, and portion size.

Yes, salty foods can raise blood pressure; limit sodium to under 2,300 mg/day (1,500 mg for many adults) to lower risk.

Yes—fermented foods can cause acidity for some people, but others feel better; the effect depends on the item, portion, spice, carbonation, and your reflux

Yes, salty foods can cause headaches in some people, especially when sodium intake is high or paired with dehydration and blood pressure spikes.

Yes, salty foods can spike blood pressure for many people; cutting sodium and raising potassium can bring readings down.