Blood test pathologist blood sample
A new blood test could be able to clock when someone may begin to have symptoms of Alzheimer’s disease, an American study claims.
Alzheimer’s is the cause of up to 75 per cent of dementia diagnoses in Australia, with 425,000 people living with dementia in 2024. That number is expected to rise to 1 million by 2065.

Dementia takes a significant toll on Australia’s population, with Alzheimer’s Research Australia reporting that approximately 250 individuals receive a diagnosis every day. Alarmingly, it stands as the second leading cause of death across the nation.

Blood test pathologist blood sample
Researchers in the United States believe this blood test is a cheaper way to screen for Alzheimer’s disease.(iStock)

Suzanne Schindler from Washington University highlights a promising development in the fight against this disease, stating, “In the near-term, these models will accelerate our research and clinical trials.” Her emphasis on speed and innovation reflects the urgency faced by the scientific community in combating Alzheimer’s.

The authors of a recent study have made their findings publicly available, aspiring to further collective research efforts. Their transparency aims to foster collaboration that could lead to breakthroughs in understanding and treating the disease.

The ultimate ambition of these researchers is profound: “Eventually, the goal is to be able to tell individual patients when they are likely to develop symptoms,” Schindler explains. Such insights could empower patients and healthcare providers to craft personalized strategies aimed at preventing or mitigating the onset of symptoms.

Recognizing Alzheimer’s early is crucial, with symptoms often manifesting as memory loss, confusion, and repetitive or vague speech patterns. Identifying these signs promptly can lead to more effective management of the disease.

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