The United States, the world's largest economy, accounts for approximately 25 percent of Nominal world GDP, and the seven largest economies (amalgamating the European Union economies as one) account for 75 percent of the total.
MayoClinic.com states that some people report feeling flushed or hot in the face or neck after eating MSG. There may also be sweating, itching, and numbness, tingling or a burning sensation in the face, neck and chest. MSG reactions are generally mild. However, some people experience swelling or tingling around the mouth, lips and tongue, which can result in complications such as trouble breathing; this requires immediate medical attention.
Sometimes, however, anaphylaxis can occur a half-hour or longer after exposure. Anaphylaxis symptoms include: 1  Skin reactions, including hives along with itching, and flushed or pale skin (almost always present with anaphylaxis). 2  A feeling of warmth. 3  The sensation of a lump in your throat.