Chemical Engineer Employment & Salaries. As of 2014, the US Department of Labor estimated there were 34,300 chemical engineers in the United States. At the time of the survey, the average hourly wage for a chemical engineer was $46.81 per hour. The median annual salary for a chemical engineer was $97,360 as of 2015.
Symptoms of Spinal Cysts. Patients with a spinal cyst may not experience any symptoms if the cyst remains small and stable. As the cyst progresses and becomes more severe, it may cause pain in the back that travels down the legs as well, and can also lead to spinal stenosis, which may cause pain, cramping and numbness.
Inflammatory diseases of the spine â similar to rheumatoid arthritis -- will cause stiffness, difficulty moving and pain in the back. And of course injuries to the spine may result in back pain â at the time of the injury or later in life. When your back hurts but itâs not the spine. The following conditions are other potential sources of back pain. Note that many are extremely rare, or occur in conjunction with other obvious symptoms. As always, check in with your doctor about any new experience of severe back pain.