Post-40 diet quality influences longevity
A recent study has shown that improving dietary quality after the age of forty can contribute to increasing average life expectancy. Specifically, men can expect to live 1.9 to 3 years longer, and women 1.5 to 2.3 years longer, when adopting a healthy diet. The study, which analyzed data from over 103,000 participants in the UK Biobank program, indicated that healthy diets rich in vegetables, fruits, whole grains, legumes, and nuts, and low in sugary foods and processed meats, are associated with longer life span. Additionally, a diet designed to reduce the risk of diabetes shows a strong correlation with increased longevity in men, while a Mediterranean diet was linked to better outcomes in women. These benefits persisted even after accounting for genetic factors. The findings suggest that maintaining a healthy diet is an important factor for extending lifespan, though the study is observational and does not establish a direct causal relationship between dietary changes and increased longevity.
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