article_snippet.sent: The findings contradict many previous studies which have suggested that being fat – with a high Body Mass Index (BMI) - could raise the risk.
article_snippet.sent: Data on 1,958,191 patients aged 55 on average with a BMI of 26.5 on average - just within the range usually classed as overweight - were examined.
article_snippet.sent: BMI is assessed by comparing height to weight, in a calculation which divides weight in kilos by height in metres squared.
article_snippet.sent: A healthy score is between 18.5 and 24.99 – above is overweight and obese.
article_snippet.sent: The study regarded BMI of less than 20 as underweight.
article_snippet.sent: The findings contradict many previous studies which have suggested that being fat – with a high Body Mass Index (BMI) - could raise the risk (file photo)
article_snippet.sent: Many different issues related to diet, exercise, frailty, genetic factors and weight change could play a part' he said.