There is no “Big” Healthy, Major Study Proves it
Obese people who are “metabolically healthy” are 50% more likely to suffer from heart disease than those whose weight is normal. This is what a study by the University of Birmingham concluded.
Obese people are at an increased risk of heart failure and stroke, although they seem healthy and do not have any obvious warning signs, such as high blood pressure or diabetes, according to a major new study.
The results, presented at the European Congress on Obesity in Porto (Portugal), may be the last gesture to put to death the claim that it is possible to be obese but still metabolically healthy, Bold but shaped. “
In the past, several studies have suggested that the idea of ”metabolically healthy” obese individuals is an illusion, but they were less important. The new study, from the University of Birmingham, involved 3.5 million people, of whom about 61,000 developed coronary artery disease.
The issue has been controversial. Obesity is generally measured by body mass index (BMI), a ratio of weight to height. It is generally accepted as imperfect because athletes, and people with a dense muscle, can have the same BMI as someone who is obese, for the same size.
The scientists examined the electronic health records from 1995 to 2015 in the Health Improvement Network , a large database on general practices in the United Kingdom. They found records for 3.5 million obese people without coronary heart disease at the starting point of the study and divided them into groups according to their BMI and according to whether they had diabetes, high blood pressure and / Or abnormal blood fats (hyperlipidemia), symptoms that are all classified as metabolic abnormalities. Anyone who does not present any of these problems has been classified as “Metabolically Healthy Obese”.
The study found that these obese people who appeared to be in good health had, in fact, a 50% higher risk of cardiovascular disease than people with normal weight. They had an increased risk of 7% of cerebrovascular disease (problems affecting blood supply to the brain), which can cause a stroke and double the risk of heart failure.
Dr. Rishi Caleyachetty , who led the study, said it was true that weightlifters could be healthy and yet present a BMI that suggests they are obese. ” I understand that argument. The BMI is gross… But this is the only measure we have in the clinic to get an approximation of body fat. It is not realistic [to use anything else] in a general practitioner setting or in a normal clinic. We have to rely on the BMI measures, even if they are gross. “
Although the BMI results for particular individuals could be misleading, the study showed that at the population level, the idea that a large number of people may be obese and yet metabolically healthy, Without risk of heart disease, was false.
Caleyachetty said: ” The priority of health professionals should be to promote and facilitate weight loss in obese people, regardless of the presence or absence of metabolic abnormalities. At the population level, so-called “metabolically healthy” obesity is not an innocuous condition and it may be preferable not to use this term to describe an obese person, regardless of the number of metabolic complications, she presents. “
Last August, a study by Sweden, which followed 1.3 million men over the age of 30, found that those who were most fit at age 18 were 51% less likely To die prematurely than those who were least fit. But, if men are obese, this negates the advantage they had in being fit during their youth.
Professor Peter Nordstrom , who led the study published in the International Journal of Epidemiology, said at the time: ” These results suggest that having a low BMI at the beginning of life is more important than being very Physically, to reduce the risk of early death “.
Professor Timothy Gill of the Boden Institute of Obesity said there would still be people who remain healthy despite obesity, just as some smokers will never have lung cancer. ” I think it can be said that there are always people who will suffer less health consequences than others, simply because of the distribution of risks, ” he said.
The World Federation of Obesity Obtained this month that obesity is officially recognized as a disease due to the wide variety of health problems associated with obesity.
Susannah Brown, a senior scientist with the Global Fund for Cancer Research, said the study’s research ” highlights the urgent need to take the obesity epidemic seriously. In addition to increasing your risk of cardiovascular disease, being overweight or obese can increase your risk of developing 11 common cancers, including that of the prostate and liver. If everyone was at their healthy weight, about 25,000 cases of cancer could be prevented in the UK every year. “