diet Plays Key Role in Healthy Aging, 15-Year Study Finds
A 15-year study conducted by scientists at the Karolinska Institutet in Sweden, following 2,400 elderly individuals, reveals a strong link between dietary patterns and the development of chronic diseases.The research, published in nature Aging, underscores the importance of nutrition in maintaining quality of life as we age.
Researchers focused on four distinct dietary models. Three – the MIND, AHEI, and Amed diets - emphasized plant-based foods, whole grains, nuts, legumes, and unsaturated fats, while limiting intake of sweets, red meat, highly processed foods, butter, and margarine. The fourth, dubbed the “Edia“ model, represented a pro-inflammatory diet high in red and processed meats, refined cereals, and sugary drinks, with low consumption of vegetables, coffee, and tea.
The study found that individuals adhering too the three healthy dietary patterns experienced a slower progression of chronic diseases, especially those affecting the cardiovascular and brain systems. Conversely, the Edia diet was associated with a considerably increased risk of multiple illnesses.
Interestingly, none of the dietary patterns demonstrated a significant impact on muscle and bone diseases, suggesting a need for further investigation into preventative strategies for these conditions.
“Our results show how strongly diet can affect the co-occurrence of many chronic diseases in older people,” stated Dr. Adrán Carballo-Casla, a co-author of the study, as reported by PAP.
Scientists are now planning follow-up research to pinpoint specific nutritional recommendations that maximize longevity and identify which senior populations would benefit most, considering factors like age, sex, social circumstances, and overall health. This research reinforces the idea that daily food choices have a profound impact on both lifespan and healthspan.
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