How Diverse Diets Can Protect Your Vision and Hearing in Old Age
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A recent investigation into the diets of the oldest adults in China has uncovered a fascinating link between dietary diversity and sensory health. With over 10,000 participants aged 80 and older, the research utilized a Dietary Diversity Score (DDS) to measure the variety in participants' diets. The findings indicate that those with a more varied diet had a significantly lower risk of visual impairment and dual sensory impairments (both vision and hearing loss). The DDS ranged from 1 to 11, with higher scores representing a wider range of food groups consumed.
For those with a higher DDS, the likelihood of experiencing visual impairment was notably reduced. Specifically, individuals with a DDS of 4 or more had an 18% lower risk of visual impairment and a 25% lower risk of dual sensory impairment compared to those with a DDS below 4. However, no significant association was found between dietary diversity and hearing impairment alone. These results suggest that a varied diet, rich in different nutrients, plays a crucial role in maintaining sensory health as we age.
This research underscores the importance of maintaining a diverse diet, especially in the later years of life. By ensuring a variety of nutrients through diverse food choices, older adults can potentially preserve their vision and overall sensory health, enhancing their quality of life. This study provides valuable insights for dietary recommendations aimed at promoting healthy aging.