Immune recruitment and inflammation is not healthy.
Endothelial and organ damage is not healthy.
I wonder if every cold we get reduces our lifespan by some quantifiable number of days. Perhaps correlating with severity and tissues / immune pathways impacted
Try to live without it. It’s arguably the “healthiest” thing our bodies do.
When you hear about chronic inflammation, that's not a healthy state.
We evolved an immune system because the alternative is vastly inferior. Immunocompromised individuals have a much harder time surviving (pathogens, cancers, etc.), especially without the aid of modern medicine. SCID is a disease where you can see the full ramifications.
What I'm saying is that the immune response itself is like fighting a war. Sometimes a war leaves scars that last. Over the course of a lifetime, these add up.
https://www.nationalgeographic.com/science/article/how-does-...
With that said, I am sure if we poured this much research into other severe illnesses we would find out a lot more bad news about what they do to our bodies…