Recent research highlights the role of vitamin D in midlife, not only for bone health but also for potential long-term effects on brain function and neurodegenerative risk.
According to a new study, individuals with higher vitamin D levels in their 30s and 40s may show fewer signs associated with cognitive decline later in life.
The study followed hundreds of participants with an average age of around 39, measuring their vitamin D levels and conducting brain scans approximately 16 years later. The findings revealed an association between higher vitamin D levels and lower levels of tau protein, a key marker linked to Alzheimer’s disease.
However, no clear link was found between vitamin D and amyloid beta, another protein associated with Alzheimer’s, suggesting that vitamin D may influence specific biological pathways rather than all disease markers.
Researchers believe that midlife represents a critical window for modifying risk factors that could shape brain health decades later.
The study also noted that a significant portion of participants had low vitamin D levels, while only a small percentage reported taking supplements, highlighting a potential gap in awareness during this important life stage.
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