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.
Herniated or damaged discs heal; the herniations may be entirely or partially resorted over time. http://www.ncbi.nlm.nih.gov/m/pu... This non-surgical treatment may decrease or eliminate symptoms in a large percentage of patients.