Without environmental protection and regulation, 1  Industry would have unlimited ability to produce chemicals for use as pesticides, additives, etc without being required to measure their effects on people or their accumulation in water or soils and their impact on the ecosystem.
Bowel obstruction usually presents with colicky pain, abdominal distension, vomiting and constipation. Abdominal xray in erect posture will confirm the diagnosis. So if you have the above symptoms report to ER to rule out intestinal obstruction.
With a narrowed or blocked passage, digested food may not be able to pass through. Symptoms may include crampy abdominal pain (or stomach pain), vomiting, or bloating. A bowel obstruction is one of the most serious complications of this disease. In some cases, bowel obstructions require surgery (see Crohn's Disease Surgery).