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<p class = "canvas-atom-text-canvas Mb (1.0em) Mb (0) – sm Mt (0.8em) – sm" type = "text" content = "Scientists have declared that people who are overweight or underweight -weight could be at higher risk of death than expected, with obesity reduce life expectancy in men by 4.2 years and by 3.5 years in women. Scientists have stated that people who are underweight or overweight may be at higher risk of death than expected, with obesity reduce life expectancy in men by 4.2 years and by 3.5 years in women.
The London School of Hygiene and Tropical Medicine, which conducted a peer-reviewed analysis of 3.6 million people and nearly 370,000 deaths, said that BMI – a measure body fat – has long been a key indicator of health, but its findings shed new light on the extent to which being above or below a certain BMI could lead to life expectancy shorter.
The BMI takes into account factors such as age, weight and height to determine if a person has a healthy weight.
According to the study, published in the journal The Lancet Diabetes and Endocrinology, BMI outside the healthy range of 21 to 25 years was linked to several years of lost life.
According to the report, the age of death expected in a 40-year-old man, healthy weight and never smoked, was 82.2 years for men and 84.3 years for women.
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Obesity was associated with a 4.2-year reduction in this figure for men and 3.5 years for women.
Class 3 obesity – those with a BMI of at least 40 – was associated with a reduction in life expectancy of 9.1 years in men and 7.7 years in men. the women.
Obesity could lose 4.2 years of life expectancy for men and 3.5 for women (Photo: PA)
People with a BMI of 21 to 25 were associated with the risk of death from cancer and the lowest heart disease.
The lowest risk of cancer death was with a BMI of 21 – each increase of 5 units was associated with a higher risk of 13%.
The report found that BMI was associated with the death of all major causes – cancer, cardiovascular disease, neurological problems and self-harm – with the exception of transportation-related incidents.
Lead author, Associate Professor Krishnan Bhaskaran, said: "We know that BMI is related to the risk of death, but surprisingly little research has been done on the links to deaths due to causes. specific.
"We have filled this knowledge gap to help researchers, patients and physicians better understand how underweight and overweight could be associated with diseases such as cancer, respiratory disease and liver disease." .
"We found significant associations between BMI and most of the causes of death examined, noting that body weight versus height is related to the risk of developing a very wide range of conditions.
"Our work highlights that maintaining a BMI between 21 and 25 is linked to the lowest risk of death from most diseases."
In response to the study, Dr. Michelle McCully, Head of Research Results and Interpretation at the World Cancer Research Fund, said, "Our research shows that overweight and obesity increase the risk of developing 12 cancers. Along with our own research, this new study adds to the evidence that body weight influences both cancer risk and survival from it.
"The WCRF calls on governments to take action to create healthy environments that help people follow our cancer prevention recommendations, including maintaining a healthy weight."
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