Metabolic syndrome is not a single disease but a combination of health problems that often occur together.
A person is usually diagnosed when they have at least three conditions such as high blood pressure, high blood sugar, extra fat around the waist, high triglycerides, or low levels of HDL, the so-called good cholesterol.
Together these problems greatly increase the risk of heart disease, stroke, and type 2 diabetes. As more people become overweight and less active, metabolic syndrome is becoming much more common around the world.
Doctors have long recommended exercise as one of the best ways to manage metabolic syndrome. However, many people ask an important question: which type of exercise works best? A new study published in iScience tried to answer this by comparing many different forms of exercise instead of focusing on only one.
The research team reviewed evidence from around the world to see how different workouts affected the major signs of metabolic syndrome.
They examined traditional activities such as walking, jogging, cycling, and weight training, along with high-intensity interval training, yoga, tai chi, and qigong. Their goal was to find out whether different exercises produced different health benefits.
The scientists carried out a systematic review using six major medical databases. They began with more than 7,700 published studies before selecting 53 high-quality clinical trials involving 2,948 participants.
This allowed them to compare ten different exercise approaches across many health measures, including body weight, waist size, cholesterol, blood pressure, blood sugar, and body fat.
The results showed that there was no single perfect exercise for every problem. Instead, each type of activity had its own strengths. Combining aerobic exercise with resistance training produced the best results for reducing waist size, lowering body mass index, improving LDL cholesterol, and helping control blood sugar.
The study also found that mind-body exercises such as tai chi and qigong were especially effective for increasing HDL cholesterol and lowering systolic blood pressure. High-volume HIIT worked best for reducing body fat, while shorter HIIT sessions showed the greatest benefits for lowering triglycerides, total cholesterol, and diastolic blood pressure.
These findings are important because metabolic syndrome affects an enormous number of people. Recent estimates suggest that more than 1.5 billion adults worldwide were living with the condition in 2023. People with metabolic syndrome face a much higher risk of dying from heart disease and other causes than those without it.
Medicines can help treat individual problems such as high blood pressure or diabetes, but they do not address all parts of metabolic syndrome at once. Exercise, together with healthy eating, can improve several risk factors at the same time, making lifestyle changes one of the most powerful treatments available.
The researchers believe doctors may eventually be able to recommend exercise in a more personalised way. Instead of giving every patient the same advice, exercise plans could be matched to each person’s greatest health risk. Someone struggling with high blood sugar may benefit from one program, while another person with high blood pressure may do better with a different approach.
The researchers also noted that many of the studies included in the review were small and varied in design, so the overall certainty of the evidence was low. More carefully designed trials are still needed before firm recommendations can be made.
Even so, the study offers a valuable message: almost every form of regular exercise provides health benefits, but choosing the right type may produce even better results.
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Source: iScience/University authors.
