Mild cognitive impairment Preventing Alzheimer's Disease: What Do We Know? What can you do to prevent Alzheimer’s disease? Read the latest evidence for promising prevention strategies, including physical activity, blood pressure control, and cognitive training. Talking with Older Patients About Cognitive Problems Learn how to address an older patient's concerns about cognitive problems, such as changes in their memory or thinking. Memory, Forgetfulness, and Aging: What's Normal and What's Not? As you age, you may wonder what is and is not normal memory loss. Learn the signs of Alzheimer’s disease and dementia — and when to see the doctor. Do Memory Problems Always Mean Alzheimer's Disease? Learn how to tell the difference between normal age-related memory loss and signs of a more serious problem like mild cognitive impairment or dementia. Sometimes, forgetfulness is caused by a treatable health condition. What Is Mild Cognitive Impairment? Learn about mild cognitive impairment (MCI), in which people have more memory problems than normal for people their age, and when it might be time to see a doctor. What Are the Signs of Alzheimer's Disease? Memory problems are typically one of the first signs of Alzheimer's disease. Learn about other common signs of mild, moderate, and severe Alzheimer's.