Solution

The correct sentence is:

"If you drink too much, it will impair your judgement."

Explanation:

• "Impair" means to weaken or damage something, in this case, judgement. It is often used when talking about a decrease in mental abilities, senses, or performance.

Examples:

• Drinking alcohol excessively can impair your ability to make decisions.

• Lack of sleep can impair your concentration.