I hear the term "free radicals" mentioned a lot. What exactly are they, and what can I do about them?
D000975:Antioxidants / Q000008:administration & dosage*; D004032:Diet; D005609:Free Radicals / Q000378:metabolism*; D015438:Health Behavior; D006801:Humans; D018384:Oxidative Stress; D010100:Oxygen / Q000378:metabolism*
D000975:Antioxidants; D005609:Free Radicals; D010100:Oxygen