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.
Although the symptoms of an anaphylactic reaction usually occur within seconds to minutes after exposure to a trigger, some reactions can occur up to two hours after the exposure. Possible symptoms and signs of an anaphylactic reaction include: Skin symptoms: itching, flushing, hives, and swelling (angioedema) Gastrointestinal symptoms: abdominal pain, abdominal cramping, nausea, vomiting, and diarrhea. Respiratory symptoms: nasal congestion, runny nose, cough, shortness of breath, chest tightness, and wheezing. Cardiovascular symptoms: dizziness, lightheadedness, fast heart rate (tachycardia), and low blood pressure. Additionally, those affected often report a feeling of impending doom..