Mediterranean Diet for Strength in Older Adults

Mediterranean Diet for Strength in Older Adults

Mediterranean diet may help protect older adults from becoming frail

A new study suggest that a diet emphasizing primarily plant-based foods — such as fruits and vegetables, whole grains, legumes, and nuts — may help keep people healthy and independent as they age.

Frailty is common among older people and its prevalence is increasing as the population ages. Frail older adults may often feel low in energy and have weight loss and weak muscle strength. They are more likely to suffer from numerous health concerns, including falls, fractures, hospitalization, nursing home placement, disability, dementia, and premature death. Frailty is also associated with a lower quality of life.

Nutrition is thought to play a crucial role in developing frailty, a team led by Kate Walters, PhD and Gotaro Kojima, MD, of University College London, in the UK, looked to see if following a healthy diet might decrease one’s risk of frailty.

The researchers analyzed evidence from all published studies examining associations between adherence to a Mediterranean diet and development of frailty in older individuals. Their analysis included 5789 people in four studies in France, Spain, Italy, and China.

“We found the evidence was very consistent that older people who follow a Mediterranean diet had a lower risk of becoming frail,” said Dr. Walters. “People who followed a Mediterranean diet the most were overall less than half as likely to become frail over a nearly four-year period compared with those who followed it the least.”

The investigators noted that the Mediterranean diet may help older individuals maintain muscle strength, activity, weight, and energy levels, according to their findings. “Our study supports the growing body of evidence on the potential health benefits of a Mediterranean diet, in our case for potentially helping older people to stay well as they age,” said Dr. Kojima.

Although older people who followed a Mediterranean diet had a lower risk of becoming frail, it’s unclear whether other characteristics of the people who followed this diet may have helped to protect them. “While the studies we included adjusted for many of the major factors that could be associated — for example, their age, gender, social class, smoking, alcohol, how much they exercised, and how many health conditions they had — there may be other factors that were not measured and we could not account for,” said Dr. Walters. “We now need large studies that look at whether increasing how much you follow a Mediterranean diet will reduce your risk of becoming frail.”

Story Source: Wiley.

Journal Reference:

  1. Gotaro Kojima, Christina Avgerinou, Steve Iliffe, Kate Walters. Adherence to Mediterranean Diet Reduces Incident Frailty Risk: Systematic Review and Meta-Analysis. Journal of the American Geriatrics Society, 2018; DOI: 10.1111/jgs.15251


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