dailyloe.com – A new study links high-dose flu vaccines to a major reduction in Alzheimer’s risk for seniors. Researchers at UTHealth Houston analyzed data on older adults. Their findings were published in the journal Neurology.
The study found a nearly 55% lower Alzheimer’s risk with high-dose shots. This builds on 2022 research showing any flu vaccine lowered risk. The new work specifically compares standard and high-dose formulations.
Alzheimer’s disease is the leading cause of dementia in the US. It currently affects over 7 million Americans aged 65 and older. This number is projected to more than double by 2050.
Senior author Dr. Paul Schulz discussed the research with public health officials. They inquired about potential differences between vaccine dosages. This question directly sparked the new comparative analysis.
The high-dose vaccine is designed for older adults. Aging immune systems become less effective at fighting infections. This formulation contains four times the antigen of a standard flu shot.
The exact biological mechanism behind the link remains unclear. Researchers suggest vaccination may reduce systemic inflammation. Chronic inflammation is a known risk factor for cognitive decline.
This study adds to growing evidence connecting vaccines to brain health. It does not prove the flu shot directly prevents Alzheimer’s. More research is needed to understand the protective association.
Annual flu vaccination is already recommended for all older adults. This new data provides an additional potential long-term benefit. It highlights the importance of preventive healthcare for aging populations.[]
Source: SciTechDaily
