Cervical collars are firm, comfortable support for the neck. Have you injured your neck in an accident or spent too many long hours with your smartphone or computer, or degeneration of bones is catching up with you in old age. These are the reasons for an aggravating pain in the neck. What is a Cervical Collar Used For And Their Side Effects? There are various types of … [Read more...] about What is a Cervical Collar Used For And Their Side Effects?