This is the 'worst food ingredient for your immune system,' says immunologist and health expert

…When you have high blood sugar — which is caused by many factors, but the biggest is consuming too much of it in your diet — it starts a vicious cycle of insulin resistance and obesity that drives up inflammatory cytokines, damages blood vessels, and activates the immune system to repair those areas…

https://www.cnbc.com/2022/01/15/this-is-the-worst-ingredient-for-your-immune-system-says-immunologist-and-health-expert.html