In 2014, the Institution of Chemical Engineers Salary Survey reported the average salary for a chemical engineer in the UK was Â£55,500, with a starting salary for a graduate averaging Â£30,000.
Brain Tumor. Rarely is a brain tumor the cause of headache. Headache can be either a late or early symptom of a brain tumor, depending on the location of the tumor. A constant, progressively increasing pain or a change in the character of headache pain may alert the physician to this occurrence.
There are three main causes for primary headaches: 1  Migraine - Migraine headaches can be caused by reduced blood flow to various areas of the cerebral cortex. Symptoms of migraines include sensitivity to light and noise, nausea, vomiting and intense throbbing pain that is usually on one side of the head.