![]() ![]() "Obesity is a complex common disease that can have many different causes," she says. However, the findings also indicate that obesity mainly driven by genetic factors might not have the same adverse impact on health as obesity driven by other factors, such as lifestyle. "The link between obesity and cardiovascular disease was twice as strong in those with a genetic predisposition to a low BMI as it was in those with obesity driven by genetic factors," says the study's last author Ida Karlsson.ĭr Karlsson stresses that a healthy lifestyle is always important for everyone, and that the risk of cardiovascular disease was higher in all people with overweight or obesity compared to people with a healthy weight. ![]() They also used data from medical registries to establish the incidence of cardiovascular disease in this group.īy analysing this information, the researchers were able to study how overweight and obesity as a result of genetic versus environmental and lifestyle factors influenced the risk of cardiovascular disease. The researchers used data from over 15,000 twins from the Swedish Twin Registry, gathering information about their BMI and their genetic predisposition for high BMI. ![]() However, according to this new study, the risk of developing cardiovascular diseases varies widely among people with obesity. "The figure is alarming since it is well-established that a high BMI in middle-age increases the risk of developing cardiovascular disease and other conditions," said Ida Karlsson, assistant professor at the Department of Medical Epidemiology and Biostatistics, Karolinska Institutet. Almost one third of the world's population now lives with overweight or obesity.ĪLSO READ: Obesity diagnosis may cause weight loss without surgery There has been a global increase in the incidence of overweight and obesity over the past few years. The result from Karolinska Institutet report in eClinicalMedicine. People with obesity due to genetic tendency have lower risk of heart disease(Getty Images/iStockphoto) Researchers found that those with obesity who have a genetic tendency for high BMI have a lower risk of cardiovascular disease than those whose obesity is mostly caused by environmental factors like lifestyle.
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