If you have a BMI under 20, you have a higher chance of developing dementia at old age. This is according to researchers at the London School of Hygiene and Tropical Medicine. The study is largest ever to compare dementia and body weight, involving almost 2 million people. The participants had no dementia symptoms at the start of the study but after an average of nine years about 45,000 of them were diagnosed with dementia. The results surprised some, as various studies done previously had drawn a link between obesity and increased health risk. However, some scientists have also indicated that weight loss is a symptom of dementia, up to 10 years before the diagnosis was made.
When it comes to health, many people often automatically assume that the obese are in poor health, but seldom think the same with underweight individuals. We frequently speak of losing weight, but only very few talk about gaining weight—even if it would help them be healthier. This study has shown that health is not about attaining the smallest number on the weighing scale. Regardless of your weight, the best ways to reduce your risk of dementia is the same: exercise regularly, have a good diet, and reduce poor health habits like smoking. Adopt a healthy lifestyle today, so you can live a better tomorrow
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