Subjective cognitive decline (SCD) is the self-reporting of worsening or frequent confusion or memory loss. It is a form of cognitive impairment and also one of the earliest noticeable symptoms of Alzheimer’s disease. SCD can affect performing everyday activities like cooking or cleaning, self-care and managing chronic disease. Cognition includes processes such as the ability to learn, remember and make judgments. Cognitive decline can range from mild cognitive impairment to dementia. Alzheimer’s disease is the most common form of dementia.