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What Is Alzheimer’s Disease? Symptoms, Causes & Risk Factors

It’s normal to forget things every once in a while — but what happens when it becomes more frequent? Knowing what Alzheimer’s is, along with its symptoms, can help you or a loved one address this condition in its early stages.

In This Article:

  • Alzheimer’s disease is a type of dementia that affects thinking, memory and behavior.
  • While experts haven’t determined a specific cause of Alzheimer’s disease, they have identified certain risk factors that may make a person more susceptible to the condition.
  • There is no cure for the disease; however, several lifestyle changes — like regular exercise and eating a heart-healthy diet — can help reduce your risk of getting Alzheimer’s.