unlimited time-period, perhaps the entire life. The factors contributing to memory loss include stress, anxiety, depression,prolonged  Brain Peak  illness, head injury, infections such as meningitis, herpes, encephalitis, changes in blood supply to the brain, neurodegenerative diseases like Parkinson's disease, Dementia, Alzheimer's disease, Multiple sclerosis, Huntington's disease, brain masses, seizures, stoke,…