Related Experiment Videos
The 5:2 Diet Reduces Risk Factors for Cardiovascular Disease in Subjects with and Without Type 2 Diabetes-A
Anton Hellberg1, Michaela L Sundqvist2, Angelica Lindén Hirschberg1,3
1Department of Women's and Children's Health, Karolinska Institutet, 171 77 Stockholm, Sweden.
International Journal of Molecular Sciences
|July 28, 2026
Summary
The 5:2 diet improved cardiovascular health in overweight individuals, with or without type 2 diabetes (T2D). Benefits included weight loss and better blood pressure and lipid levels, with some effects lasting a year.
Area of Science:
- Nutrition Science
- Cardiovascular Health
- Metabolic Disorders
Background:
- Obesity and type 2 diabetes (T2D) increase cardiovascular risk.
- Dietary interventions are crucial for managing these conditions.
- The 5:2 diet, involving intermittent fasting, is a popular weight-loss strategy.
Purpose of the Study:
- To evaluate the effects of the 5:2 diet on cardiovascular risk factors.
- To compare outcomes in overweight individuals with and without T2D.
- To assess the durability of these effects at 12 months.
Main Methods:
- Secondary analysis of a 6-month non-randomized controlled trial.
- 97 overweight/obese participants (35 with T2D, 62 controls) followed the 5:2 diet.
- Cardiovascular risk factors, including blood pressure, lipids, adipokines, and inflammatory markers, were measured at baseline, 6, and 12 months.
Main Results:
- Both groups achieved significant weight loss and improved waist circumference, blood pressure, HDLchol, LDLchol, and adiponectin after 6 months.
- T2D participants showed greater reductions in ALT and hsCRP compared to controls.
- Improvements in HDLchol and adiponectin persisted at 12 months, with additional benefits for hsCRP and leptin in the T2D group.
Conclusions:
- The 6-month 5:2 diet significantly improved cardiovascular risk factors in overweight/obese individuals with and without T2D.
- Several benefits, including improved lipid profiles and adiponectin levels, were sustained at 12 months.
- Individuals with T2D experienced notable metabolic advantages from the 5:2 diet intervention.
Related Concept Videos
01:22Diabetes Mellitus: Type 2 and Gestational
Type 2 diabetes, characterized by insulin resistance, arises when the insulin receptors on cells lose responsiveness to insulin, diminishing the cell's capacity to take up glucose, resulting in elevated blood glucose levels. To receive a diagnosis of Type 2 diabetes, a series of blood glucose tests are necessary to assess whether the blood glucose falls within normal parameters. If the result is out of the normal range, a patient may be diagnosed as prediabetic or diabetic, depending on the...
01:26Type II Diabetes I: Introduction
Type 2 diabetes mellitus (T2DM) is a chronic metabolic disorder characterized by insulin resistance, in which target tissues such as the liver, muscle, and adipose tissue respond poorly to insulin. It is also associated with inadequate compensatory insulin secretion, where pancreatic β-cells fail to produce sufficient insulin. Together, these abnormalities lead to persistent hyperglycemia.EtiologyT2DM develops through a complex interaction of genetic predisposition and environmental or...
01:24Type II Diabetes II: Pathophysiology
PathophysiologyType 2 diabetes mellitus (T2DM ) is a chronic metabolic disorder characterized by insulin resistance and progressive pancreatic β-cell dysfunction, leading to impaired glucose homeostasis. It results from interactions among genetic predisposition, environmental factors, and metabolic stressors, such as overnutrition and a sedentary lifestyle.Insulin Resistance and Glucose DysregulationEarly T2DM involves insulin resistance in skeletal muscle, adipose tissue, and the liver.
01:36Carbohydrate Metabolism
Carbohydrates are polymers composed of molecules containing atoms of carbon, hydrogen and oxygen. One gram of carbohydrate can provide four kilo-calories of energy, which makes it the most efficient instant energy source.
Starch accounts for approximately 60% of the carbohydrates consumed by humans. Since amylase enzymes cannot function in the stomach's acidic environment, starch can only be digested in the mouth and small intestine. Simple sugars are found naturally in milk and fruits in the...
Starch accounts for approximately 60% of the carbohydrates consumed by humans. Since amylase enzymes cannot function in the stomach's acidic environment, starch can only be digested in the mouth and small intestine. Simple sugars are found naturally in milk and fruits in the...
01:26Type I Diabetes II: Pathophysiology
Type 1 diabetes mellitus arises from an immune-mediated destruction of pancreatic β-cells, resulting in an absolute deficiency of insulin. This process develops in genetically susceptible individuals when autoimmunity, environmental exposures, and immunologic dysregulation converge to trigger a targeted attack on the insulin-producing cells of the pancreas. The β-cells are located within the islets of Langerhans and are essential for regulating blood glucose by facilitating cellular uptake of...
01:30Coronary Artery Disease I: Introduction
Coronary Artery Disease (CAD): An Overview with Scientific InsightsCoronary Artery Disease (CAD), often referred to as C-A-D, is a prevalent blood vessel disorder classified under the broader category of atherosclerosis. Atherosclerosis is a pathological process characterized by the hardening and narrowing of arteries due to the accumulation of atherosclerotic plaques. These plaques are composed of cholesterol, fatty substances, inflammatory cells, calcium, and fibrin, reducing blood flow to...