James Heck received his Ph.D. in Organic Chemistry from Harvard University in 1976 after working four years in the laboratories of Professor Robert B. Woodward.
The most common side effects of bupropion are: 1  nervousness. 2  constipation. 3  trouble sleeping. 4  dry mouth. 5  headache. 6  nausea. 7  vomiting. 8  and shakiness (tremor)
Side Effects. Xanthan gum can cause migraines or skin irritation. Its side effects also include intestinal gas, flatulence, diarrhea and bloating. Increased exposure can make the symptoms worse.ide Effects. Xanthan gum can cause migraines or skin irritation. Its side effects also include intestinal gas, flatulence, diarrhea and bloating. Increased exposure can make the symptoms worse.