Many people judge their health by the number on the bathroom scales, but new research suggests that where fat is stored may be even more important than how much a person weighs.
Scientists have found that fat hidden deep inside the abdomen, known as visceral fat, may speed up the body’s biological aging. Their findings were published in Obesity.
Unlike the soft fat found just beneath the skin, visceral fat surrounds major organs. It is biologically active and constantly releases substances that influence inflammation, hormones, and metabolism. Because of this, doctors have long suspected that visceral fat is especially harmful.
Researchers from The University of Western Australia investigated this question using data from the Busselton Healthy Aging Study. Nearly 4,800 adults aged between 45 and 69 took part. The study is internationally respected because it has followed the health of local residents for many decades, allowing scientists to examine how health changes over time.
The research showed that participants with larger amounts of visceral fat tended to age faster at the biological level. In women, the researchers also observed shorter telomeres, tiny protective structures found at the ends of chromosomes. As cells divide and age, telomeres gradually become shorter. Their length is commonly used as one indicator of cellular aging.
One of the most important findings was that the relationship remained even after adjusting for body weight, body mass index, waist circumference, overall body fat, and lifestyle habits. In other words, visceral fat appeared to have its own independent effect on aging rather than simply reflecting obesity.
Scientists believe chronic inflammation may explain this link. Visceral fat releases proteins that promote inflammation throughout the body. Persistent inflammation places stress on organs and blood vessels and has already been linked to diabetes, heart disease, certain cancers, and other chronic illnesses. It may also accelerate the aging process itself.
The researchers point out that visceral fat can be measured relatively easily using imaging technology already available in many healthcare settings. Earlier identification of people with excessive visceral fat may help doctors recommend lifestyle changes before serious health problems develop.
Regular exercise, healthy eating, avoiding excessive calories, improving sleep, and maintaining a healthy body weight remain the most effective ways to reduce visceral fat. These habits support not only weight control but also healthier aging.
This was a strong population-based study with thousands of participants and carefully collected long-term data. However, it demonstrates an association rather than direct cause and effect.
Future clinical studies will be needed to determine whether reducing visceral fat can actually slow biological aging. Nevertheless, the findings add to growing evidence that abdominal fat deserves more attention in preventive healthcare.
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Source: The University of Western Australia.
