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National Post

Struggle to lift five kilograms? Your health could be at risk, study finds

Scientists at the University of Sharjah in the United Arab Emirates have devised a simple test that they can say can predict an increased risk of developing a host of health problems in older adults. All you have to do is try to pick up a five-kilogram weight. Article content Struggle with that, they say, and you have a significantly higher risk of experiencing a lower quality of life, higher rates of depression, chronic lung diseases, hip fractures, joint disorders, high cholesterol, Alzheimer's disease, stroke, osteoarthritis and more. Article content Article content The study was published in the journal Scientific Reports under a no-nonsense title: 'The simple task of lifting five kilograms serves as a predictor of age-related disorders in old adults.' Article content Article content The large-scale study involved 51,536 'geriatric adults' — that is to say 50 and older, a definition that may annoy some — from 14 European countries as well as Israel. It was a roughly even split between men and women, with about a third of the group aged between 60 and 69, another third between 70 and 79, and the rest younger or older. (About 4 per cent were 90 and above.) Article content Participants were asked to report if they had difficulty lifting five kilograms in 2013 — 80.5 per cent said they did not — and were then followed for several years to see which diseases developed among each group. For a given disease, participants were excluded if they already had it in the baseline year. Article content Take high blood pressure. In 2013, just under 60 per cent of the group were free of a diagnosis of high blood pressure. Of those, 21.5 per cent went on to develop it. But among the participants who had trouble lifting the weight when the study began, that number amounted to 26.2 per cent. Article content Article content For hip fractures, the overwhelming majority (97 per cent) did not have one when the study started. But in the years that followed, 3.5 per cent of those who had trouble lifting the weight experienced a hip fracture, versus just 1.5 per cent of those who did not struggle with the weight. Article content Article content Parsing the data between younger and older ages, the researchers found that men and women under 65 who had trouble lifting five kilograms were most at risk of developing depression, low quality of life, low hand-grip strength (which can also indicate risks of other diseases) and Alzheimer's. Article content For older men and women who struggled with the weight, risk of Alzheimer's dropped somewhat while the other three conditions remained top of list. But for almost every condition the researchers tracked, struggling to lift five kilograms at the start of the study was a clear indicator of greater risk at the end. The only diseases that didn't fit the pattern were cancer and diabetes, where risk did not change.