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What Is Metabolic Syndrome?

Metabolic syndrome, also known as Syndrome X, Insulin Resistance Syndrome, or Dysmetabolic Syndrome, is a cluster of interrelated health conditions that significantly raise the risk of heart disease, stroke, and type 2 diabetes.

The term metabolic syndrome was first coined in 1988 by Dr. Gerald Reaven, who observed a consistent clustering of risk factors—high cholesterol, elevated blood pressure, and high blood sugar—particularly among individuals with higher body weight.

This cluster of conditions signals an elevated cardiovascular risk and, without intervention, often leads to rapid weight gain around the midsection and a predisposition to diabetes and other serious health complications.

According to the World Health Organization, common symptoms of metabolic syndrome include elevated cortisol levels, high blood pressure, increased blood sugar, fatigue, and a concentration of abdominal fat, often seen as a “spare tire” around the waist.

Key Characteristics of Metabolic Syndrome

  • High Blood Pressure: Increased risk of heart disease and stroke.
  • High Blood Sugar: Indicator of insulin resistance, raising diabetes risk.
  • Abdominal Obesity: Central weight gain, often around the waistline.
  • Abnormal Cholesterol/Triglycerides: Linked to plaque buildup in arteries.
  • Elevated Cortisol Levels: Often related to chronic stress, contributing to weight gain.

Addressing metabolic syndrome often requires lifestyle changes such as improved diet, regular physical activity, and weight management to reduce these risk factors, aiming to prevent the progression to more severe conditions like type 2 diabetes and cardiovascular disease.

A man wearing glasses and a gray T-shirt is outdoors, looking at a large sweat stain under his arm with a concerned expression, wondering if it might be a symptom of nonalcoholic fatty liver disease.

Metabolic Syndrome Symptoms

Metabolic syndrome encompasses a range of symptoms that often indicate underlying health issues, forming a complex web of interconnected conditions. These symptoms are not isolated occurrences but rather signals of an imbalance in the body’s metabolic processes. Recognising these symptoms is crucial, as it allows individuals to take proactive steps toward better health. For instance, common signs such as persistent fatigue, high blood pressure, and abdominal obesity may seem benign at first but can lead to serious health complications if ignored. When individuals acknowledge these early warning signs, they can seek timely medical intervention, potentially reversing or managing the syndrome before it progresses to more severe conditions like type 2 diabetes or cardiovascular disease.

Furthermore, being aware of the symptoms associated with metabolic syndrome encourages individuals to assess their lifestyle choices critically. It prompts a closer look at dietary habits, physical activity levels, and stress management techniques. By understanding the relationship between their symptoms and their lifestyle, individuals can make informed decisions that lead to positive changes.

This could include adopting a healthier diet, increasing physical activity, or incorporating stress-reduction practices into their daily routine. Overall, the ability to recognise and understand the symptoms of metabolic syndrome is the first step toward taking charge of one’s health and preventing the potential complications that arise from this multifaceted syndrome.

Here are some common symptoms associated with metabolic syndrome (Swarup 2024) :

  • Fatigue: Experiencing sleepiness or lethargy shortly after consuming a high-carbohydrate meal, often due to low blood sugar (hypoglycemia).
  • High Blood Sugar and Cortisol Levels: Persistent hyperglycemia can lead to elevated blood sugar levels, indicating insulin resistance.
  • Hypertension: High blood pressure, which can strain the cardiovascular system and increase health risks.
  • High Cholesterol: Dyslipidemia, characterised by abnormal lipid levels, can contribute to heart disease.
  • Increased Stroke and Heart Disease Risk: A pro-thrombotic state raises the likelihood of cardiovascular events, such as strokes and heart attacks.
  • Persistent Albumin Loss in Urine: Microalbuminuria, detected through urine tests, signifies the presence of albumin protein in urine, which should typically be retained by the kidneys.
  • Inflammation: Elevated levels of C-reactive protein (CRP) and/or erythrocyte sedimentation rate (ESR) indicate inflammation in the body.
  • Brain Fog: Difficulty focusing and mental clarity can be affected, often referred to as “brain fog.”
  • Visceral Obesity: The presence of abdominal fat, commonly described as a “spare tire,” is closely linked to insulin resistance.
  • Intestinal Issues: Symptoms like bloating, flatulence, constipation, or diarrhea can also arise.
  • Depression: Mood changes or depressive symptoms may occur independently of external stressors.
  • Erectile Dysfunction (ED): Men with metabolic syndrome may experience difficulties with erectile function.

Being aware of these symptoms is crucial for early detection and management of metabolic syndrome, allowing for timely lifestyle modifications and medical interventions to improve overall health.

Metabolic Syndrome Criteria

A diagnosis of metabolic syndrome is made if you have three or more of the following risk factors, each of which independently increases the risk of cardiovascular disease, type 2 diabetes, and stroke. (Huang 2009).

Meeting this threshold is a strong warning sign to take proactive steps toward lifestyle and health changes to reduce these risks.

Criteria for Metabolic Syndrome Diagnosis:

  • Abdominal Obesity: A waist circumference of at least 40 inches in men and 35 inches in women, measured across the belly.
  • Elevated Blood Pressure: A reading of 130/85 mm Hg or above, or if you are taking medication for high blood pressure.
  • High Triglycerides: Triglyceride levels of 150 mg/dL or greater.
  • Low HDL Cholesterol: Less than 40 mg/dL in men, or less than 50 mg/dL in women.
  • High Blood Sugar: Fasting blood sugar levels of 100 mg/dL or higher, indicating prediabetes (100-125 mg/dL) or type 2 diabetes (above 125 mg/dL).

Strong Indicator To Adopt Healthier Habits

Each of these symptoms alone elevates the risk of severe health issues, but having three or more dramatically increases that risk. If you meet the criteria for metabolic syndrome, it’s crucial to recognise this as a strong indicator to adopt healthier habits—through diet, exercise, and managing stress—to lower your risk and prevent further health complications.

In New Zealand, metabolic syndrome affects a significant portion of the population, with surveys estimating that 32% of Māori (New Zealand’s indigenous people), 39% of Pacific Islanders, and between 16% and over 40% of New Zealanders of European descent are impacted. This widespread issue is evidenced by the increase in individuals with larger body types, a trend that’s not unique to New Zealand but also very prevalent in the United States and other developed countries like England.

This rise in metabolic syndrome is often visible, as lifestyle shifts and environmental factors contribute to a higher prevalence of obesity and associated health risks globally. The widespread nature of metabolic syndrome underscores the need for public health initiatives, education on healthy lifestyle choices, and accessible healthcare strategies to help manage and prevent its impact on communities everywhere.

Metabolic Sin-drome: A Disease of Modern Civilisation

A man in a white t-shirt and brown pants sits in an orange recliner, eating a burger. A tray with pizza, popcorn, and a glass of soda rests on his lap.

Metabolic syndrome, or as I sometimes call it, metabolic “sin”drome, represents one of the major “diseases of modern civilization.” This condition, marked by a combination of unhealthy lifestyle factors, continues to rise as people adopt more sedentary habits and processed diets.

The syndrome often results from high consumption of refined carbohydrates, sugary drinks, fatty takeaways, and excessive indulgence, compounded by a lack of physical activity and overuse of screens.

The risk is increasingly relevant for today’s children. Unlike past generations who spent more time outdoors and engaged in physical play, today’s youth face a high-tech lifestyle that encourages unhealthy eating, increased screen time, and stress from intense computer games, all of which elevate cortisol levels and can lead to early-onset metabolic syndrome.

The Stages of Metabolic Syndrome Progression

Metabolic syndrome progresses through several stages, with age-specific milestones that mark increasing risk if lifestyle factors remain unaddressed:

  • Insulin Resistance – Typically starts developing in childhood.
  • Cholesterol Issues – Often appear between ages 15 and 35.
  • High Blood Pressure – Develops commonly between 35 and 50 years.
  • Impaired Fasting Glucose – Manifests between ages 40 and 55.
  • Diabetes – Generally diagnosed around 50 to 55 years.
  • Cardiovascular Disease – Above 55 years.
  • Cancer – Becomes more common above 65 years.

Growing Concern for Childhood Obesity and Lifestyle Risks

A young child with no shirt and wearing jeans stands with hands clasped over their chest against a plain white background, subtly illustrating the innocence often associated with early stages of fatty liver disease.

Increasingly, children are showing signs of metabolic syndrome due to poor diet and sedentary lifestyles.

Rising obesity rates among youth are directly tied to higher screen time and elevated cortisol levels from fast-paced gaming, both of which contribute to weight gain.

Key insights about metabolic syndrome trends:

  • Over one in four Australian children are now considered overweight or obese, a rate that surpasses even that of adult obesity in the United States.
  • Childhood obesity trends in New Zealand and the U.S. follow similar alarming patterns.
  • Environmental factors, such as air pollution and overcrowding, further strain children’s health.

A quick observation of neighbourhoods in affected countries highlights the growing issue. Metabolic syndrome has become more than a personal health matter; it’s a societal concern that needs proactive intervention and lifestyle changes.

An individual with glasses sits on a bed and prepares an insulin pen for use, contemplating what causes vaginal yeast infection.

Metabolic syndrome is closely linked to insulin resistance, a condition in which the body becomes less responsive to insulin, the hormone that regulates blood sugar.

This resistance means that, despite the presence of insulin, glucose from food cannot effectively enter cells to be used for energy. Instead, glucose accumulates in the bloodstream, leading to high blood sugar levels. Most individuals with metabolic syndrome already exhibit some degree of insulin resistance, making it a crucial component of this syndrome.

As insulin resistance progresses, it poses significant health risks, including heart disease, eye disease, and type 2 diabetes.

Elevated blood sugar levels can lead to damage in blood vessels and nerves, increasing the chances of serious complications over time.

Recognising the connection between metabolic syndrome and insulin resistance is vital for early intervention. Making lifestyle changes such as improving diet, increasing physical activity, and managing stress can help restore insulin sensitivity and mitigate these risks.

Key Points to Know:

  • Insulin resistance is when the body does not respond effectively to insulin, causing glucose to accumulate in the bloodstream.
  • Most people with metabolic syndrome also have insulin resistance, which exacerbates health risks.
  • Complications of insulin resistance include heart disease, eye disease, and type 2 diabetes.
  • Chronic high blood sugar levels can lead to long-term damage to blood vessels and nerves.
  • Early intervention through lifestyle changes can improve metabolic health and reduce the risk of serious complications.

Metabolic Syndrome Treatment

Effective treatment for metabolic syndrome often begins with self-care and lifestyle modifications. By focusing on healthy eating principles and habits, individuals can significantly reduce their risk factors and improve their overall health.

Let’s explore the 4 essential changes you can make to combat metabolic syndrome:

1. Change Your Lifestyle

  • Get Moving

Regular exercise is crucial for managing metabolic syndrome. Even if immediate weight loss isn’t apparent, physical activity can help lower blood pressure, cholesterol, and insulin resistance. If you’re not already active, start gently by incorporating more walking into your routine and gradually increasing your daily activity level. Consider using a pedometer to track your steps and aim to be active most days of the week. It’s important to find a fitness routine that suits your personality to ensure consistency, while also avoiding overexertion.

2. Eat Well

  • Nutritious Whole Foods Diet

A balanced and nutritious diet can improve cholesterol levels, insulin resistance, and blood pressure, even without significant weight loss. Consult with your naturopath or a certified nutritionist for personalised guidance, especially if you have existing health conditions such as heart disease or diabetes. A Mediterranean-styled diet rich in fruits, vegetables, lean proteins, legumes, probiotic and fermented foods, and whole grains is recommended. Many healthcare professionals advocate for the Mediterranean or DASH diet, which effectively balances healthy fats with carbohydrates and proteins.

3. Lose Weight

  • Weight Loss Goals

Achieving and maintaining a healthy weight is crucial for individuals who are overweight or obese. Even modest weight loss can lead to significant improvements in managing metabolic syndrome. Every pound lost can positively impact your health, making it easier to control blood pressure and improve overall well-being.

4. Quit Smoking

  • Stop Smoking

While smoking may not directly cause metabolic syndrome, it significantly increases the risk of cardiovascular disease and blood vessel damage. Quitting smoking is a vital step toward better health and can enhance the effectiveness of other lifestyle changes.

By focusing on these lifestyle adjustments, you can take control of your health and effectively manage metabolic syndrome. The journey may require effort and commitment, but the rewards—improved health and reduced risk of serious complications—are well worth it.

The Metabolic Syndrome Diet

A basket filled with white eggplants, tomatoes, carrots, basil leaves, a green squash, and a sprig of rosemary.

Adopting a diet that focuses on natural, whole foods is essential for managing metabolic syndrome.

By prioritising fresh ingredients and home-cooked meals, you can ensure your nutrition is both wholesome and beneficial.

Here are some dietary guidelines to help you make healthier choices:

  • Embrace Natural Foods:
  • Opt for foods that are as unprocessed and fresh as possible. Focus on whole foods that come from the earth, water, or animals, while avoiding processed options laden with trans fats and hydrogenated oils. Eat more plant-based foods rather than animal based.
  • Limit Carbohydrates:
  • Reduce your intake of high-carb foods like sugar, bread, and white flour products. This will help stabilise blood sugar levels and minimise insulin spikes, crucial for managing metabolic syndrome.
  • Incorporate High Omega-3 Foods:
  • Make sure to include foods rich in omega-3 fatty acids, such as fatty fish, flaxseeds, and walnuts. These healthy fats are known for their anti-inflammatory properties and can contribute to improved heart health.
  • Prioritise Protein:
  • Aim to have a source of protein at every meal and snack. Protein not only helps to keep you feeling full and satisfied but also plays a vital role in maintaining muscle mass and supporting metabolic health.
  • Avoid Caffeine and Junk Food:
  • Steer clear of caffeine and junk food, as they can negatively impact your health and exacerbate symptoms of metabolic syndrome. These foods often contain added sugars and unhealthy fats that can contribute to weight gain and inflammation.
  • Practice Portion Control:
  • Eat smaller, more frequent meals when you’re hungry, and be mindful of portion sizes. Focus on low-calorie, low-glycemic foods that won’t trigger insulin spikes or cortisol production. This approach can help maintain steady energy levels and support weight management.

By following these dietary guidelines, you can create a nourishing eating plan that supports your overall health and helps manage metabolic syndrome effectively.

Article of Interest 50 Healthiest Snack Ideas

The14-Day Cleanse Diet

The Cleanse Diet involves swapping out poor food choices (high fat sugar, and salt) for cleaner and healthier choices. The Cleanse Diet page will give you more information including instructions on what foods to eat, what to avoid.

An assortment of fast food including a double cheeseburger, onion rings, fries, a pink milkshake, a hot dog, and various colorful sweets and pastries.

Avoid These Foods First

It’s time to stop eating those really sweet foods, fatty foods, or highly salted foods first. They are the top-tier when it comes to junk food.
These foods are sky high in calories, refined sugar, unhealthy fats, sodium, and all kinds of chemicals, including flavours and colours, which can contribute to various health issues when consumed in excess. It’s important to get rid of all these junk foods and prioritise whole, nutrient-dense options for better gut health. Are you eating any of the following junk foods? It’s not good for our gut!

A

  • Apple pie (commercial, fast-food varieties)
  • Artificially flavored fruit snacks

B

  • Bacon (in excess or in processed forms)
  • Bagel bites
  • Brownies
  • Buffalo wings (especially fried and from fast food)
  • Burritos (fast food)

C

  • Cake (especially with heavy frosting)
  • Candy bars (Snickers, Milky Way, etc.)
  • Candy (sour gummies, hard candy, etc.)
  • Cheeseburgers
  • Cheese fries
  • Cheese puffs (Cheetos, etc.)
  • Chips (potato, tortilla, etc.)
  • Chocolate bars
  • Cookies (Oreo, Chips Ahoy!, etc.)
  • Corn dogs
  • Cupcakes

D

  • Donuts (Dunkin’, Krispy Kreme, etc.)

E

  • Energy drinks (Red Bull, Monster, etc.)

F

  • Fast food (McDonald’s, Burger King, Taco Bell, etc.)
  • French fries
  • Fried chicken (KFC, Popeyes, etc.)
  • Frozen pizza
  • Fudge

G

  • Garlic bread (especially store-bought or fast-food varieties)

H

  • Hot dogs
  • Honey buns

I

  • Ice cream (Ben & Jerry’s, Haagen-Dazs, etc.)
  • Instant noodles (Ramen)

J

  • Jalapeño poppers
  • Jerky (processed with high sodium and preservatives)

L

  • Loaded nachos
  • Lollipops

M

  • Mac and cheese (boxed or fast food)
  • Milkshakes (McDonald’s, Wendy’s Frosty, etc.)
  • Mozzarella sticks

N

  • Nuggets (chicken nuggets)

P

  • Pancakes (with sugary toppings)
  • Pastries (Pop-Tarts, danishes)
  • Pizza (fast food or frozen)
  • Potato skins (fried with cheese and bacon)
  • Pretzels (soft pretzels with cheese or cinnamon sugar)

R

  • Ribs (when drenched in sugary sauces)

S

  • Sandwiches (fast food versions like Subway, etc.)
  • S’mores (store-bought versions or at-home treats)
  • Soda (Coke, Pepsi, Mountain Dew, etc.)
  • Sugary cereals (Froot Loops, Lucky Charms, etc.)

T

  • Tacos (from fast food chains)
  • Toaster strudels

W

  • Waffles (frozen, Eggo, with syrup and butter)
  • Whipped cream (canned, excessive use in desserts)

Y

  • Yogurt (flavored and sugary varieties)

  The Very Sweet

  • Candy bars (e.g., Snickers, Twix, Reese’s Peanut Butter Cups)
  • Donuts, pastries, and cupcakes
  • Sugary breakfast cereals (e.g., Frosted Flakes, Fruit Loops, Cocoa Puffs)
  • Cookies with high sugar content (e.g., Oreos, Chips Ahoy!)
  • Ice cream, added sugar and toppings (e.g., chocolate syrup, candy pieces)
  • Sugary soda drinks (e.g., Coca-Cola, Pepsi, Mountain Dew)

 The Very Fatty

  • Deep-fried foods (e.g., French fries, onion rings, chicken wings)
  • Corn dogs, cheese balls
  • Deep-fried mozzarella sticks
  • Potato chips (Lay’s, Pringles, etc.) and other fried snacks
  • Fried chicken and chicken nuggets, fried pork crackling
  • Fast food burgers and cheeseburgers
  • Pizza with extra cheese and greasy toppings (e.g., pepperoni, sausage)
  • Processed meats high in fat (e.g., bacon, sausage, hot dogs)

The Very Salty

  • Potato chips (Lay’s, Pringles, etc.)
  • Pretzels (Snyder’s)
  • Cheese-flavoured snacks (e.g., Cheetos, Doritos)
  • Salted nuts and trail mix with added salt
  • Salted peanuts, salted popcorn, salted tortilla chips
  • Salted crackers (e.g., Ritz, Saltines)
  • Pickled and brined snacks (e.g., pickles, cheap commercial olives)

10 Best Healthy Eating Concepts

The following points have been the mainstay of nutritional recommendations from our clinic for many years until my retirement, and here it is online. I’d like to think some of our advice has helped people recover their health, and that it can help you recover and remain in very good health as well.

Key Diet and Nutrition Pages

Man with glasses smiling outdoors.

Eric Bakker N.D.

Greetings! I am a naturopathic physician from New Zealand. Although I’ve retired from clinical practice since 2019, I remain passionate about helping people improve their lives. You’ll find I’m active online with a focus on natural health and wellbeing education through my Facebook page and YouTube channel, including this website.

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