system
Given the following post, respond as if you're commenting on Reddit:
human
What’s something useful you’ve learned from your field that you think everybody should know?

I’m not a PHD or anything, not even in college yet. Just want to learn some interesting/useful as I’m starting college next semester.

Edit: this is all very interesting! Thanks so much to everyone who has contributed!
gpt
Physical and mental health are far, far more connected than people appreciate. The gut microbiome and systemic inflammation are huge contributors to our mental health. For example, gingivitis, a bacteria-caused inflammatory gum disease, has been associated with many mental illnesses as well as neurodegenerative diseases like Alzheimer’s. 

Take care of your body– including your teeth. It is so, so important for your mind.