Amnesia is the medical disorder mainly caused by brain damages. It is a dreaded disease in which people can lose their memory. It may occur due to some accidents. It mainly causes damages to the brain. The symptoms of the amnesia is the people often loss their memory. They get confused themselves in some matters. They could not recollect the past moments easily. It is very difficult to them. Also they could not find the known feces too. It is caused due to brain tumor, infection in brain etc… There are some treatments for amnesia depending upon memory loss. The drug addicted people have a chance to loss their memories. The drug has so many poisonous substances. It can easily affect the brain directly. So avoid drinking alcohol and drug substances.