A significant three-year European research study of people aged 70 and older explored ways to help them age healthily and reduce healthcare costs with the combined and individual effects of vitamin D supplementation, omega-3 fatty acids, and a simple home exercise program.
Initial findings of the DO-HEALTH trial showed that these three interventions reduced infection and fall risks while preventing cancer and pre-mature frailty.
“These results inspired us to measure the direct influence of these three therapies on the biological aging process,” Heike Bischoff-Ferrari, lead researcher and professor of geriatrics and geriatric medicine at the University of Zurich.
The study focused on several key health outcomes among 2,157 European older adults, including bone health, blood pressure, brain health and cognition, disease, quality of life and life expectancy. Beyond health outcomes, the trial also evaluated the cost-effectiveness of these interventions and investigated why some seniors adhered to the programs while others did not.
Participants were assigned to one of eight different treatment groups, receiving varying combinations of vitamin D, omega-3 fatty acids, a home exercise program, or a placebo. Researchers followed them for three years to track the effects of the interventions on the various health measures.
The trial provides valuable insights into the effectiveness of vitamin D, omega-3 fatty acids, and exercise in preventing chronic diseases and promoting healthy aging. This information could have a substantial impact on public health recommendations and strategies for improving the well-being of older adults.
This landmark study has the potential to significantly advance our understanding of how to support healthy aging and reduce the burden of chronic diseases in older populations.
The National Institutes of Health Office of Dietary Supplements suggests the following foods for an adequate intake of Omega-3:
– Fish and other seafood (especially cold-water fatty fish, such as salmon, mackerel, tuna, herring, and sardines)
– Nuts and seeds (such as flaxseed, chia seeds, and walnuts)
– Plant oils (such as extra virgin olive oil and flaxseed oil)
– Fortified foods (including certain brands of eggs, yogurt, and soy beverages)
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