A severe reaction can cause swelling of the face or lips ... additives like monosodium glutamate (MSG) and food dyes. You might have an intolerance or allergy if you have a physical reaction ...

Many people avoid MSG, afraid it could cause migraines and muscle aches, but how bad is it really? And how does it compare to ...

"What's wrong with her face. Ugh," one wrote. "Does that plastic surgeon have malpractice insurance?" another asked. Of ...