1 Corinthians 3:17 | If any man defile the temple of God, him shall God destroy; for the temple of God is holy, which temple ye are.
Accomplished via sin, which can be a subset of thoughts among other things. Your body, your temple is being healed or destroyed every moment in time based on your thoughts. See previous posts/Youtube videos about the acidity and alkalinity forming nature of thoughts/emotions.
Proverbs 24:9 | The thought of foolishness is sin: and the scorner is an abomination to men.