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.
The following medical conditions are some of the possible causes of Constant headache. There are likely to be other possible causes, so ask your doctor about your symptoms. 1  Tension headache. 2  Refractive error. 3  Glaucoma. 4  Retinoblastoma. 5  Brain tumors. 6  Hypertension. 7  Meningitis.