A literature review discusses published information in a particular subject area, and sometimes information in a particular subject area within a certain time period.
Herniated discs often do not need to heal at all. That is because most minor and moderate herniated discs are not painful or problematic in any way. They merely exist. In fact, herniated discs are a common side effect of normal spinal aging.
From the WebMD Archives. Dec. 1, 2011 (Chicago) -- An experimental treatment that involves spinal injections of ozone gas and steroids relieved pain in over two-thirds of 327 people with back problems related to a herniated disc. This condition occurs when the cushions, or discs, that serve as shock absorbers for the spine become inflamed and bulge or break open.