Everything you're exposed to in your environment impacts the immune system. That's one of the mistakes anti-vax people make about childhood vaccination. They're like "Oh no, my baby can't handle six different vaccines in one shot, that must be too many at once surely" but actually it's a baby and babies eat dirt - its immune system is already seeing all sorts of new nonsense that isn't supposed to be there every day and problems are very rare, vaccination isn't any more of a problem.

So yes, but no. And it's reassuring compared to say DNA tweaking which would permanently change the instructions in some cell lines in your body, or more extremely germ line DNA tweaking which would alter your cells and those of any subsequent offspring you have.