It refers to a group of symptoms some people experience after eating food from a Chinese restaurant. Today, it’s known as MSG symptom complex. These symptoms often include headache, skin flushing, and sweating.A food additive called monosodium glutamate (MSG) is often blamed for these symptoms. However, despite the countless testimonials and the warning from Dr. Russell Blaylock, a neurosurgeon and author of “Excitotoxins: The Taste That Kills,” there’s minimal scientific evidence showing a link between MSG and these symptoms in humans.