Study Suggests Being Overweight Might Not Be as Hazardous as Being Underweight
A new study indicates that carrying a bit of extra weight might not pose as great a risk as being underweight, especially among those deemed “fat but fit.” Conducted by researchers at Aarhus University Hospital in Denmark, the study tracked over 85,000 adults and revealed that those who lost weight during the observation period had nearly three times the risk of dying compared to participants who fell within the upper normal range of body mass index (BMI).
Even individuals considered to be in the “healthy” BMI category might face elevated risks of premature death if their weight drops below that threshold.
Interestingly, those who were overweight or moderately obese showed no increased mortality rates when compared with individuals at the higher end of the BMI spectrum. This challenges previous beliefs about the direct relationship between BMI and health risks.
These findings were presented at the recent annual meeting of the European Diabetes Research (EASD) in Vienna.
Extreme weight conditions—both obesity and underweight—pose significant health risks, noted Dr. Sigrid Bierge Hryvshott, a key investigator involved in the study. Obesity can lead to various metabolic issues and diseases, including type 2 diabetes, heart disease, and several types of cancer. On the flip side, being underweight is often linked with malnutrition and a weakened immune system.
The study further emphasizes that how body fat is distributed and one’s underlying health condition play crucial roles in overall well-being. For example, visceral fat, which is stored deep within the abdomen, can disrupt metabolic health more severely than other fat types. Two individuals with the same BMI might experience vastly different health outcomes based on where their body fat is concentrated.
The research team advocates for more personalized obesity treatment plans that take individual health factors into account when determining target weights. They also contested the conventional belief that health risks escalate uniformly with rising BMI.
Dr. Akshaya Srikanth Bhagavathula, an epidemiologist at North Dakota State University, highlights that low BMI individuals might show higher mortality rates due to underlying health issues, emphasizing that diseases can cause weight loss prior to their diagnosis.
In contrast, obesity typically leads to serious health complications as a precursor problem. Bhagavathula also pointed out that for older adults, mild overweight might actually offer some protection, providing energy reserves for fighting illness.
He calls for a shift in health messaging, suggesting that the focus should expand beyond weight loss to include dietary habits, physical activity, and metabolic health markers rather than merely BMI. This nuanced approach could reduce stigma and improve health outcomes.
