Mild cognitive impairment (MCI) is a condition where cognitive abilities decline more than expected for age but do not significantly impair daily functioning. It can be a precursor to dementia, particularly Alzheimer's disease, but not everyone with MCI develops dementia. Risk factors include aging, genetics, and cardiovascular disease. Symptoms may include forgetfulness, difficulty with language or problem-solving, or impaired judgment. Diagnosis involves cognitive testing, medical history, and neurological examinations. While there is no cure for MCI, lifestyle changes, cognitive training, and medication may help manage symptoms and slow progression. Close monitoring and early intervention are essential for better outcomes.