Metabolic Syndrome: Risk Factors, Diagnosis and Connection to Common Chronic Diseases and Arthritis

Metabolic syndrome is a cluster of conditions that occur together, increasing a person’s risk of heart disease, stroke, and type 2 diabetes. These conditions include high blood pressure, high blood sugar levels, excess body fat around the waist, and abnormal cholesterol levels. While each of these conditions on its own can be harmful to one’s health, having them together significantly increases the risk of developing serious health problems.

Risk factors include genetic predisposition, higher age, higher Body Mass Index (BMI), family history of diabetes, smoking, heavy alcohol use, chronic stress, post-menopausal female, high-fat diet, and sedentary lifestyle.

There are specific criteria used to identify if a person has metabolic syndrome. According to the National Heart, Lung, and Blood Institute (NHLBI) and the American Heart Association (AHA), a person is considered to have metabolic syndrome if they have three or more of the following conditions:

1. Elevated waist circumference: Men with a waist circumference of 40 inches or more and women with a waist circumference of 35 inches or more are considered to have abdominal obesity.

2. High triglyceride levels: Triglyceride levels of 150 mg/dL (1.7 mmol/L) or higher, or the use of medication to treat high triglycerides.

3. Low HDL cholesterol levels: HDL cholesterol levels less than 40 mg/dL (1.0 mmol/L) in men or less than 50 mg/dL (1.3 mmol/L) in women, or the use of medication for low HDL cholesterol.

4. High blood pressure: Defined as a systolic pressure of 130 mm Hg or higher, a diastolic pressure of 85 mm Hg or higher, or the use of medication for hypertension.

5. High fasting blood sugar levels: Fasting blood sugar levels of 100 mg/dL or higher are considered elevated.

Metabolic Syndrome is caused by genetic, dietary, and lifestyle environmental risk factors, although environmental risk factors likely play a more significant role. These factors contribute to metabolic dysfunction through chronic inflammation, visceral (central) obesity, and insulin resistance. Of note, most people with Metabolic Syndrome have insulin resistance that results in higher blood sugar levels and, ultimately, diabetes.

Free fatty acids released by excess adipose tissue promote insulin resistance. In turn, insulin resistance contributes to vascular endothelial damage, leading to hypertension. Chronic hypertension leads to vascular stiffness, peripheral vascular disease, heart disease, and kidney impairment (renal dysfunction).

Metabolic syndrome can contribute to other chronic conditions, such as arthritis, through several different mechanisms. One of the main ways in which metabolic syndrome can impact arthritis is through inflammation. Metabolic syndrome is characterized by chronic low-grade inflammation, which can contribute to the development and progression of arthritis.

Additionally, the excess body fat that is often present in individuals with metabolic syndrome can put extra stress on the joints, leading to increased wear and tear over time. This can exacerbate arthritis symptoms and contribute to joint pain and stiffness.

Furthermore, metabolic syndrome is also associated with insulin resistance, which can lead to high levels of circulating insulin in the body. Insulin is a pro-inflammatory hormone that can further contribute to inflammation in the joints, worsening arthritis symptoms.

Functional lab testing can help identify triggers or root causes of metabolic syndrome. Tests such as a comprehensive metabolic panel, lipid panel, fasting blood sugar test, and hemoglobin A1c test can provide valuable information about a person’s metabolic health. Other tests, such as insulin resistance testing and inflammation markers, can also be beneficial in identifying underlying issues that may be contributing to metabolic syndrome.

Addressing metabolic syndrome requires a comprehensive approach that includes dietary and lifestyle changes. Working closely with a healthcare provider, individuals can make changes to their diet and lifestyle that can help improve their metabolic health. Some strategies that can be helpful include:

1. Eating a balanced diet rich in fruits, vegetables, whole grains, lean proteins, and healthy fats.

2. Monitoring portion sizes and avoiding processed foods high in sugar, salt, and unhealthy fats.

3. Engaging in regular physical activity, such as walking, swimming, or cycling, for at least 30 minutes a day.

4. Managing stress through techniques such as meditation, yoga, or deep breathing exercises.

5. Getting an adequate amount of sleep each night, aiming for 7-9 hours.

Overall, addressing metabolic syndrome through diet and lifestyle changes can not only help improve metabolic health but may also have a positive impact on arthritis symptoms. By reducing inflammation, maintaining a healthy weight, and managing insulin levels, individuals with metabolic syndrome can potentially reduce their risk of developing arthritis or alleviate symptoms if already present. It’s important to work closely with a healthcare provider to develop a personalized treatment plan that addresses both metabolic syndrome and other chronic conditions, such as arthritis, simultaneously.

To identify underlying metabolic triggers and receive support for addressing diet and lifestyle strategies, click the link below for your free discovery call if you have Metabolic Syndrome and/or arthritis.

References:

Swarup S, Ahmed I, Grigorova Y, et al. Metabolic Syndrome. [Updated 2024 Mar 7]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK459248/