Medical stories make headlines. But do they make sense to you? What are free radicals? What’s REM? What’s wrong with MSG? Common terms explained. Antioxidants When your body cells use oxygen, they produce by-products called free radicals, which can damage the body and cause heart disease, cancer and other disorders. Antioxidants scavenge on free radicals, and hence prevent and repair the damage they do. Examples: Selenium, vitamins C and E, […]