Brief History of Alzheimers Disease

Curated by Claudia Shannon / Research Scientist / ishonest

Defining Alzheimer’s disease

Alzheimer’s disease (AD) occurs when the brain cells responsible for memory and other functions start to die.

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No one knows exactly what causes AD. And there’s no known cure.

The risk of getting AD doubles every five years after age 65, according to the Alzheimer’s Foundation of America (AFA).

AD first described

Psychiatrist Emil Kraepelin, Dr. Alzheimer’s colleague, coined the name “Alzheimer’s disease” in a 1910 medical book.

NIA established

The United States Congress established the National Institute on Aging (NIA) as part of the National Institutes of Health (NIH) in 1974.

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The mission of the NIA is to better understand the nature of aging and promote a greater quality of life among older adults. The NIA is also the federal government’s primary source for funding AD research.

AD’s challenge defined

In a 1976 editorial, neurologist Dr. Robert Katzman declared AD to be the most common form of dementia and a substantial public health challenge.

This brought awareness to the disease and helped launch many brain-related research projects through the NIH.

Association formed

Jerome Stone and other members of AD family support groups met with the NIA in 1979. This was how the Alzheimer’s Association was formed in 1980.

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Stone became the association’s first president. The goals of the group were to:

  • help provide services to families affected by AD
  • push for more federal research on the disease

Proteins identified

The main markers of Alzheimer’s disease in the brain are high amounts of two proteins: beta-amyloid and tau.

Beta-amyloid was discovered in 1984. Two years later, tangles of tau were discovered in people with AD.

Both proteins may cause brain cell damage. Researchers don’t know yet if high levels of beta-amyloid and tau cause AD or if they’re symptoms.

First drug trial

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In 1978, NIA and the Alzheimer’s Association teamed up with the Warner-Lambert Pharmaceutical Company, now known as Pfizer.

They started the first clinical trial of a drug designed to treat symptoms of AD.

The U.S. Food and Drug Administration (FDA) formally approved the drug tacrine in 1993. Four more Alzheimer’s drugs were approved during the next decade.

Reagan diagnosed

Reagan became one of the first well-known figures with the disease. His announcement drew greater public attention to AD.

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Many experts weighed in on the differences between usual age-related dementia and AD.

Reagan died in 2004 from pneumonia and complications from AD.

Genetic study begins

In 2003, the Alzheimer’s Association and the NIA started accepting people into the National Alzheimer’s Disease Genetic Study. The federal government funds the study.

Researchers take and store blood samples from people in families with more than one member with AD. The goal of the ongoing study is to find genes that may make someone more likely to develop AD.

Major legislation

President Obama signed into law the National Alzheimer’s Project Act (NAPA) in 2011. NAPA was the first law to outline a national strategy for research and care of people with AD. The act also addresses support for people caring for people with AD.

A year later, the National Alzheimer’s Plan was released. It set a goal of creating AD prevention methods by 2025.

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