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Your weight is one of two factors in calculating your Body Mass Index (BMI), which is an estimate measure of your total body fat, and to determine if you’re overweight or are at risk of obesity in general.
A high Body Mass Index (BMI) suggests that you may have a higher risk of cardiovascular disease, gallbladder disease, high blood pressure and type 2 diabetes amongst many others.
Many have the misconception that as long as your BMI is within the acceptable range, you will be at a lower risk of disease and illnesses. While this isn’t necessarily false, your weight shouldn’t be the only thing that you’re watching — you should also keep an eye on your waistline.
While your BMI gives you an estimate of your total body fat, it does not consider how fat is distributed. On the other hand, your waist circumference gives you an estimate of your abdominal fat, and lets you know if you have any central obesity risk, where hidden fat is deposited in your belly, around your internal organs.
Abdominal obesity is a condition where excessive fat around the stomach and abdomen has built up to an extent that it is likely to have a negative impact on health. In fact, abdominal obesity puts you at risk of diseases such as type 2 diabetes, cardiovascular disease and more according to a recent Harvard study.
Thus, those with a normal BMI generally regarded as non-obese may have central obesity and vice versa; and those with central obesity are at higher risk for diseases as compared to those who are obese in general.
However, the good news is that you can lower the risks as long as you put in the effort to manage your waistline!
Abdominal fat comes in two different forms! While one of it is subcutaneous fat, the other form is visceral fat that is located around your internal organs. Visceral fat forms when you consume more calories than you use in a day.
Abdominal obesity is known as both central obesity and truncal obesity. It is a condition where excessive abdominal fat around the stomach and abdomen has built up to the extent that it is likely to have a negative impact on your health.
The numbers are actually lower for Asians due to a lower threshold for risk factors — a waist circumference of above 80cm (31.5 inches) for Asian women and above 90cm (35.5 inches) for Asian men will imply abdominal obesity.
Apart from your waist circumference, your waist-to hip ratio (WHR) is also considered a good way to measure abdominal fat and can be measured by dividing your waist circumference by your hip circumference. Regardless of race, a WHR of > 0.9 in men and a WHR of > 0.85 in women indicate an increased risk for cardiovascular diseases.
You can measure your waist circumference using a measuring tape. This is done close to the skin and ensuring that the tape is approximately around the midpoint between the lower ribs (lowest margin of the last rib) and the top of hip bone; it is best to take the measurement during exhalation.
Abdominal fat affects everyone even when one is not overweight and has a healthy BMI. The visceral fat is a worse culprit as compared to subcutaneous fat as it is linked to a higher risk of diseases and cancers.
As part of your abdominal fat — visceral fat — is metabolically active, it releases fatty acids, inflammatory agents and hormones that lead to higher low-density lipoprotein (LDL) cholesterol, blood glucose and pressure. This means that those with abdominal obesity are also at a higher risk of type 2 diabetes, cardiovascular disease, dementia, certain cancers.
Hence, make sure to take the effort to reduce your waistline so that you can reduce your health risks too!
Similar to being overweight or obese in general, abdominal obesity is caused by fatty deposits due to overconsumption of calories and lack of physical activity. However, other causes such as stress can also play a part in storing excess visceral fat. When you are stressed, your body releases a hormone called cortisol, which increases how much visceral fat your body stores.
Often, abdominal obesity results in an “apple-shaped” body type, which is more common among men. Women typically accumulate fat around the hips and thighs to develop a “pear shaped” body type (although they can certainly develop “apple-shaped” body types as well).
Having a well-balanced, healthier diet is just as important as exercise. Reduce or limit your intake of sugar, saturated fat and salt whenever possible, and choose healthier options such as wholegrains. Remember not to miss out on your fruits and vegetables too!
For a clearer idea of how to have a well-balanced diet, follow
My Healthy Plate’s guide. It is also important to practice portion control to prevent over-eating and drink lots of water.
However, just as important as exercise and a well-balanced diet is your mental health. Did you know that stress can contribute to a growing waistline too? Get enough sleep and handle stress well through meditating or spending your time with friends and family to relax.
Exercise offers substantial health benefits beyond just reducing abdominal obesity! For adults, try to aim for 30 minutes of exercise daily, and at least 150 minutes of activity per week. Aerobic exercises, especially those that raise your heart rate and breathing rate are especially helpful. Be sure to include muscle strengthening exercises as these also benefit your heart, contribute to better balance and strengthens your bones.
Remember that it’s important to watch your waistline even if your BMI is under control. To help you remain physically active, you can opt to join the
Move It programmes or other physical programmes. The
Eat, Drink, Shop Healthy Challenge is also available to help you motivate yourself to manage and reduce abdominal fat!
My Healthy Plate is available via the HealthHub mobile app, which can be downloaded for free at the App Store and Google Play.
 Harvard University (2016). Waist Size Matters.
Harvard T.H. Chan School of Public Health. Retrieved March 17, 2021, from
This article was last reviewed on
Friday, April 16, 2021
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