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.
Hypersensitivity side effects including allergic reactions (including shock) have occurred with ergonovine. General. General side effects have included unpleasant taste, tinnitus, sweating, uterine cramps, and nasal congestion. Nervous system. Nervous system side effects have included headache (mild and transient). Respiratory. Respiratory side effects have included dyspnea. Not all side effects for ergonovine may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.