A low-carbohydrate diet can help people lose weight and help maintain levels, as evidence suggests, reports the Harvard School of Public Health. A diet with moderately low carbohydrate consumption and protein and fat that comes from healthy sources is good for the heart.
Healthy diets with a variety of proportions of different macronutrients, including protein, carbohydrates and fats work well over a long period of time, the Harvard School of Public Health advises. A low-carb diet is most effective in reducing triglycerides, the particle in the bloodstream that primarily carries fat. A diet low in carbohydrates also provides a large boost in protective HDL cholesterol. A lower-carbohydrate diet consists of whole grains, fruits and vegetables that contain essential vitamins, minerals and phytonutrients.
A 20-year study that involved over 82,000 women found that the women who maintained a low-carb diet that were rich in fat or protein vegetable sources had a 30 percent lower risk of heart disease and lowered their risk of type 2 diabetes by 20 percent than those women who maintained a high-carb, low-fat diet. Other studies showed that a healthy low-carbohydrate diet that replaced some carbs with fat or protein, lowered blood pressure and the bad LDL cholesterol levels than those who maintained a healthy, high-carbohydrate diet.