Welcome at HCM.
I have red your question completely.
It looks that you are troubled from finding of MRI
You should not worry from finding of MRI scan until unless you have severe symptoms.
The disc prolapse
can be there due to injury
,lifting heavy weight ,bending in abnormal position,etc.
If you had accident then this can be there due to that .
At present you should take care of this.
You should do following to prevent & treat this condition-
-Avoid lifting weight more then your capacity.
-Keep your posture right.Avoid slouching posture.
-Start doing exercises to strengthen your back.You may do following-
-Do warm fomentation over your back.This will relieve the spasm at your back.
-You may have mild analgesic
or aleeve for relief.
Hope this all will be helpful for you.
With best wishes.