While cervical disc pathology can unquestionably produce radiculopathy, many patients presenting with arm pain, paresthesia or perceived weakness do not exhibit the clinical behavior of true nerve-root compromise. In these cases, failure to differentiate the primary pain generator may lead to unnecessary spinal injections, nerve ablation procedures or surgical consultation despite limited likelihood of benefit.
IQ: Interesting Quote
If you trust Google more than your doctor, then maybe it's time to switch doctors.
Source
Jadelr and Cristina Cordova, from "Chasing Windmills" (a popular videoblog)