![]() ![]() These risk factors comprise what’s known as metabolic syndrome, also called insulin resistance syndrome because the body becomes less responsive to signals from insulin to remove sugars from the blood. But recent research has pointed to a group of other risk factors: high triglycerides, low HDL (“good”) cholesterol, high blood pressure, high blood sugar, chronic inflammation, a tendency toward blood clotting, and fatty liver. Traditionally, experts have viewed high LDL cholesterol or “bad” cholesterol as the main risk factor for heart disease. Carbohydrates, insulin resistance, and disease The results were clear: low-carb diets were better at improving cardiovascular and metabolic profiles. David Ludwig and Cara Ebbeling, who co-direct the New Balance Foundation Obesity Prevention Center at Boston Children’s Hospital, decided to test low-carb and low-fat diets head to head, launching a clinical trial that is one of the largest, most rigorous to date. As a result, grocery shelves are stocked with low-fat and fat-free foods, many of which are high in processed carbs.ĭrs. ![]() Illustration: Sebastian Stankiewicz, Boston Children's)ĭespite the popularity of low-carbohydrate diets, health experts have pushed low-fat diets for the past 50 years, citing saturated fat as the main health risk. In one of the most rigorous clinical trials to date, low-carb diets were better than low-fat diets at reducing cardio-metabolic risk factors. ![]()
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