What are the differences between red wine vinegar and rice vinegar in terms of flavor, usage, and health benefits?

Red wine vinegar has a bold, tangy flavor while rice vinegar is milder and slightly sweet. Red wine vinegar is commonly used in salad dressings and marinades, while rice vinegar is popular in Asian dishes. Red wine vinegar may have more antioxidants, but rice vinegar is lower in calories and may be easier on the stomach for some people.