Mild cognitive impairment (often shortened to MCI) is a medical condition affecting the brain. People suffering from it have problems remembering things. It is normal, that with age, people become more forgetful. People with mild cognitive impairment forget more than is common for their age and education. In general, this does not pose a problem in everyday life. Mild cognitive impairment can occur as one of the first symptoms of dementia or Alzheimer's disease. The exact cause of MCI is unknown. There is no special treatment for MCI.