What are the types of belly fat?
To understand what excess belly fat is called, it's important to distinguish between the two primary types of fat found in the abdominal region. Each type has different characteristics and health implications.
Subcutaneous fat: This is the visible, pinchable fat located just under the skin. It makes up about 90% of total body fat and is generally considered less harmful than its deeper counterpart. Subcutaneous fat can be found on your arms, hips, and thighs, as well as the belly. While too much of it can still be unhealthy, it is not as metabolically active or dangerous as visceral fat.
Visceral fat: This is the more dangerous, "hidden" fat that wraps around your internal organs, such as the liver, intestines, and pancreas. It is sometimes called "active fat" because it is metabolically active and produces hormones and inflammatory proteins. These substances interfere with the body's normal functions and can significantly increase your risk for chronic diseases. An excess of this fat is clinically known as abdominal obesity, and it's the main reason that carrying extra weight around your midsection is so hazardous to your health.
The health risks of excess visceral fat
Excess visceral fat is strongly linked to several serious health problems. Unlike subcutaneous fat, which is more of an energy reserve and insulator, visceral fat actively contributes to inflammation and other harmful metabolic processes. This toxic activity poses a higher risk for:
- Heart disease and stroke: Visceral fat can release fatty acids into the bloodstream that travel to the liver, contributing to higher levels of LDL ("bad") cholesterol and triglycerides, which clog arteries.
- Type 2 diabetes: Visceral fat promotes insulin resistance, which forces the pancreas to work harder to produce insulin and can eventually lead to high blood sugar levels and diabetes.
- Metabolic syndrome: This is a cluster of conditions—including increased blood pressure, high blood sugar, excess body fat around the waist, and abnormal cholesterol or triglyceride levels—that occur together, increasing your risk of heart disease, stroke, and diabetes.
- Certain cancers: Some research indicates a link between high levels of visceral fat and an increased risk of specific cancers, including colorectal cancer.
- Dementia: Studies have even shown a correlation between high visceral fat and a higher risk of dementia and Alzheimer's disease.
How to measure and identify excess visceral fat
While imaging tests like CT scans are the only way to measure visceral fat precisely, there are simpler, indirect methods to estimate your risk. One of the most effective is measuring your waist circumference. A waist measurement of more than 35 inches (89 cm) for women and 40 inches (102 cm) for men can be a sign of an unhealthy amount of visceral fat. For individuals of Asian descent, the benchmarks are slightly lower.
Comparison: Visceral vs. subcutaneous fat
Understanding the differences between these fat types is crucial for appreciating the health risks of excess abdominal fat. Below is a comparison table outlining the key distinctions:
| Feature | Visceral Fat | Subcutaneous Fat |
|---|---|---|
| Location | Deep inside the abdomen, surrounding internal organs. | Just beneath the skin, visible and pinchable. |
| Metabolic Activity | Highly active, releasing inflammatory proteins and hormones. | Less active and poses fewer immediate health risks. |
| Health Risk | High risk, strongly linked to heart disease, diabetes, and more. | Lower risk, but excess amounts still contribute to obesity-related issues. |
| Appearance | Not externally visible, but contributes to an "apple" body shape. | Visually apparent and can feel soft and "jiggly". |
| Response to Exercise | Responds well to exercise and is often the first to go with weight loss. | Often more stubborn and slower to reduce. |
Strategies for reducing excess belly fat
Targeting visceral fat requires a holistic approach that incorporates dietary changes, increased physical activity, and lifestyle adjustments. While you can't spot-reduce fat from specific areas like the stomach, a calorie deficit and consistent healthy habits will help decrease overall body fat, including the harmful visceral type.
- Prioritize a balanced diet: Focus on whole grains, fiber-rich foods, lean proteins, fruits, and vegetables. Limit processed foods, sugary drinks, and excess alcohol, as they contribute significantly to visceral fat accumulation.
- Get regular physical activity: Aim for at least 150 minutes of moderate aerobic activity per week, such as brisk walking, cycling, or swimming. Incorporate strength training at least twice a week, as muscle mass boosts metabolism. High-intensity interval training (HIIT) is also particularly effective at burning visceral fat.
- Manage stress: Chronic stress increases the hormone cortisol, which is linked to storing more visceral fat. Stress-reducing activities like yoga, meditation, and spending time outdoors can help.
- Improve sleep quality: Inadequate sleep can disrupt hormones that regulate appetite, leading to increased cravings and weight gain. Aim for 7–9 hours of quality sleep per night.
Conclusion: The importance of addressing excess belly fat
Excess belly fat is more than just a cosmetic concern. The medical term for the deep, dangerous fat surrounding your organs is visceral fat, and its accumulation significantly increases the risk of serious health problems such as heart disease, type 2 diabetes, and certain cancers. By understanding the distinction between visceral and subcutaneous fat, and adopting proven lifestyle strategies like a healthy diet, regular exercise, and stress management, you can effectively reduce this hazardous fat and protect your long-term health. Don't focus on quick fixes, but rather on sustainable habits that lead to gradual, lasting changes. For further guidance, consulting a healthcare provider or a registered dietitian is always a good step toward better health.
Frequently Asked Questions
1. Is there a simple way to tell if I have too much visceral fat?
Yes, a simple tape measure can give you an estimate. For women, a waist circumference of over 35 inches (89 cm) indicates a higher risk, while for men, it's over 40 inches (102 cm).
2. Can abdominal exercises eliminate visceral fat?
No, you cannot spot-reduce fat. Abdominal exercises strengthen your core muscles but do not target fat loss specifically from the belly. You must lose overall body fat through diet and exercise for visceral fat to decrease.
3. What is the "apple" body shape and is it related to visceral fat?
Yes, an "apple" body shape refers to carrying more weight around the midsection, which is a strong indicator of excess visceral fat. This body type is linked with higher health risks than a "pear" shape, where fat is stored primarily in the hips and thighs.
4. Why is visceral fat considered more dangerous than subcutaneous fat?
Visceral fat is more dangerous because it is metabolically active, producing inflammatory chemicals and hormones that disrupt your body's functions and increase the risk of chronic diseases like heart disease and diabetes.
5. Do hormonal changes affect belly fat?
Yes, hormonal changes, particularly during menopause for women, can cause an increase in visceral fat storage, even without significant overall weight gain. This makes managing a healthy lifestyle even more important with age.
6. Can stress cause excess belly fat?
Yes, chronic stress increases the hormone cortisol. Elevated cortisol levels can lead to a greater storage of fat, particularly in the abdominal region, as well as an increased appetite for unhealthy comfort foods.
7. Does alcohol consumption contribute to excess belly fat?
Yes, excessive alcohol intake is linked to higher visceral fat levels, contributing to the colloquial term "beer belly," especially in men. Alcohol provides empty calories and can lead to weight gain, particularly around the midsection.