DNA evidence only exists in about 5-10% of criminal cases (10-15% of death penalty cases). Where it is available, it is still subject to contamination and human error. The risk of an erroneous conviction is still significant.
Subscribe to our Pain Management Advisor e-newsletter for tips to manage pain. Shoulder pain causes include: 1  Avascular necrosis. 2  Brachial plexus injury. 3  Broken arm. 4  Bursitis. 5  Cervical radiculopathy. 6  Dislocated shoulder. 7  Frozen shoulder. 8  Heart attack. 9  Impingement.
Pain can be triggered by several factors. In many cases, this problem occurs as a result of overuse of the shoulder muscles continuously with no rest. This causes discomfort on the shoulder. The other cause is when a forced unusual tightening of the shoulder muscle occurs. It is unusual for a direct painful blow to bring about a deltoid strain. There are various conditions of shoulder injuries that are confused with deltoid muscle pain.