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.
The research concluded that MSG can cause the following symptoms: 1  burning sensation in the back of the neck, forearms and chest. 2  numbness in the back of the neck, radiating to the arms and back. 3  tingling, warmth and weakness in the face, temples, upper back, neck and arms facial pressure or tightness. 4  chest pain. few websites argue that this claim is false and that the warning is a hoax, such as Break the Chain and Snoopes. However, reputable medical websites such as WebMD MedicineNet.com suggest that consumers have reason to be weary about instant noodles.