Well I know one cause can sometimes be medication
Improper diet
This is a riddle with the answer being "Love"
The method of treatment for memory loss depends on underlying causes
popehigh.com answer is there!
herpes
smoking weed
diziness short term memory loss and stress can have a lot of different causes. the causes may be physical as well as phsycological causes. you can see or a medicine doctor. or a phsycologist.
A sudden shock can cause some memory loss however the memories generally tend to come back. It depends upon the size of the shock.
Alcoholism.
Lack of nutrition, medical conditions and medications, etc.
hippocampus :)
a disorder and sometime depression