Alzheimer's disease is a brain disorder that gets worse over time. It's characterized by changes in the brain that lead to deposits of certain proteins. Alzheimer's disease causes the brain to shrink and brain cells to eventually die. Alzheimer's disease is the most common cause of dementia — a gradual decline in memory, thinking, behavior and social skills. These changes affect a person's ability to function.
About 6.5 million people in the United States age 65 and older live with Alzheimer's disease. Among them, more than 70%...
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Memory loss is the key symptom of Alzheimer's disease. Early signs include difficulty remembering recent events or conversations. But memory gets worse and other symptoms develop as the disease progresses.
At first, someone with the disease may be aware of having trouble remembering things and thinking clearly. As symptoms get worse, a family member or friend may be more likely to notice the issues.
Brain changes associated with Alzheimer's disease lead to g...
The exact causes of Alzheimer's disease aren't fully understood. But at a basic level, brain proteins fail to function as usual. This disrupts the work of brain cells, also called neurons, and triggers a series of events. The neurons become damaged and lose connections to each other. They eventually die.
Scientists believe that for most people, Alzheimer's disease is caused by a combination of genetic, lifestyle and environmental factors that affect the brain over time. In less th...
Treatments for Alzheimer's disease include medicines that can help with symptoms and newer medicines that can help slow decline in thinking and functioning. These newer medicines are approved for people with early Alzheimer's disease.
Alzheimer's medicines can help with memory symptoms and other cognitive changes. Two types of medicines are currently used to treat symptoms:
Cholinesterase inhibitors. These medicines work by boosting...
Alzheimer's disease is not a preventable condition. However, a number of lifestyle risk factors can be modified.
Evidence suggests that taking steps to reduce the risk of cardiovascular disease may also lower your risk of developing dementia.
To follow heart-healthy lifestyle choices that may reduce the risk of dementia:
For informational purposes only and not a substitute for professional medical advice, diagnosis, or treatment.
© Mayo Clinic
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