Being too fat or too thin is worth four years of life. -

Being too fat or too thin is worth four years of life.

Overweight or underweight may take four years from life expectancy, suggests a study in the journal Lancet.

Being too fat or too thin is worth four years of life.

The report, one of the largest of its kind, involved almost 2 million people who were registered with doctors in the UK.
Researchers found that from the age of 40, people with a higher healthy body mass index (BMI) had the lowest risk of dying from the disease.
But people in the upper and lower parts of the BMI have a risk of living a shorter life. The BMI is calculated by dividing the weight of an adult by the square of his height. The indicator of a “healthy” BMI ranges from 18.5 to 25.
Most doctors say that this is the best method they have to find out if someone has obesity, because it is accurate and easy to measure.
A study published in The Lancet Diabet and Endocrinology showed that life expectancy for obese men and women was 4.2 and 3.5 years shorter, respectively, than people in the healthy weight range of BMI.
The difference for underweight men and women was 4.3 (men) and 4.5 (women) years.
BMI has been associated with all causes of death, with the exception of traffic accidents, including cancer, cardiovascular diseases and respiratory diseases. However, according to the author of the report of Dr. Krishnan Bhaskaran, not everyone in the category of healthy people has the lowest risk of the disease.
He told the BBC: “For most of the causes of death, we find that there is an“ optimal ”level of BMI, and the risk of death increases both below and above this level.
"With a BMI below 21, we observed more deaths from most causes than optimal levels of BMI. However, this may partially reflect the fact that low body weight may be a sign of a person’s poor health.
"For most causes of death, the greater the difference in weight, the greater the risk of death."
Some experts ask whether BMI is an accurate way of analyzing human health.
However, Dr. Katharina Kos, Senior Lecturer at the Department of Diabetes and Obesity at the University of Exeter, believes this is so.
“For most people, BMI is a good measure,” she told the BBC.
Dr. Kos added that the report does not contain any surprises, but added that overweight people who can reduce BMI can improve their health.
"We know how low-calorie diets and weight loss can improve diabetic health," she said.
The report suggested that a higher BMI in older people may not be so dangerous, because a little extra weight seems to be “protective” for them.
But Dr. Kos, who worked on a report on this topic for people aged 60-69 last year, did not agree with such conclusions.
Her report, that the paradox of obesity risk, does not "support the acceptance" of this theory.

31.10.2018 11:23:20
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