BRUSSELS / RankWire.AI / – In a significant public health release, Belgian research institute Sciensano disclosed that having an excessively high body mass index was associated with 9,509 fatalities in 2022. This figure makes up 8.2 percent of all deaths in Belgium during that year, resulting in an average of more than one death per hour related to weight-related health issues. By analyzing population-wide BMI mortality data for the first time, researchers found that health problems caused by obesity led to over 150,000 years of life lost in total.

The detailed epidemiological study investigated underlying causes of death to understand how increased body mass index influences chronic illness development. Findings pinpointed cardiovascular problems as the leading factor, with coronary heart diseases responsible for 2,009 deaths. Neurodegenerative conditions, such as Alzheimer’s disease and other dementias, were the second most common, linked to 1,652 deaths. Additional causes included cerebrovascular diseases, which contributed to 1,171 fatalities, as well as chronic kidney disease and various digestive cancers.
Data broken down by demographics reveals that the risk of death from excess weight grows notably with age. Those aged 65 and above experienced the greatest concentration of weight-related health issues. Gender analysis indicates that male mortality rates surpass female rates in most age groups; however, women aged 85 and older showed higher overall death numbers, a trend attributed to their longer life expectancy, according to epidemiologists.
Cardiovascular Issues Are the Main Cause of Weight-Related Fatalities in Belgium
The regional analysis across Belgium revealed considerable differences in death rates linked to obesity. The southern region of Wallonia recorded the highest rate at 95.21 deaths per 100,000 residents. The Brussels-Capital Region followed, with an age-standardized rate of 85 deaths per 100,000 inhabitants. In contrast, Flanders had the lowest impact, with 73.60 deaths per 100,000 residents. Experts suggest that these regional disparities reflect variations in socioeconomic status, dietary habits, and healthcare accessibility across Belgium.
This data release coincides with policy reviews led by the Federal Public Service Health, which manages national health initiatives. Authorities are using these findings to evaluate the long-term economic impact on the healthcare system caused by chronic non-communicable diseases. The researchers employed a comparative risk assessment approach that involved calculating the population attributable fraction for each health condition, creating baseline estimates to inform future preventative strategies.
Dementia and Alzheimer’s Disease Responsible for Over 1,600 Deaths
At the European level, organizations like the European Centre for Disease Prevention and Control monitor similar metabolic risk factors to coordinate health policies across nations. The Belgian findings align with broader EU health objectives aimed at reducing early mortality from non-communicable illnesses. The World Health Organization’s international guidelines continue to advocate for integrated, multisectoral approaches to address metabolic risks, emphasizing public education, clear nutritional labeling, and proactive clinical management.
These results provide a solid evidence base for health authorities striving to decrease high body mass index prevalence across Western Europe. By quantifying death tolls and years of life lost, policymakers can better allocate resources toward screening programs, intervention strategies, and lifestyle modifications. As regional and national agencies analyze these insights, a greater focus on preventive care and early intervention is expected to lower the prevalence of chronic diseases throughout the continent.
