Does ditching the carbs lead to a healthier heart?
Low-carb diets of one form or another have been on our radar for quite some time as a way to quickly shed pounds, but we haven’t known much about how these types of diets affect our heart health. A study published in the Annals of Internal Medicine last week says that compared to a low-fat diet, a low-carbohydrate diet is better not only for weight loss, but may also be better for your heart. Before we jump on the low-carb bandwagon, let’s take a closer look at this low-carb v low-fat study.
This study included 148 obese men and women with healthy lipids and no history of heart disease or type 2 diabetes. They were assigned randomly to either a low-fat or low-carbohydrate diet, and they followed these diets for 12 months. All participants met with registered dietitians and received nutrition education, with emphasis on the benefits of monounsaturated fats and recommendations to limit trans fats. Those assigned to the low-fat diet were instructed to have less than 30 percent of their total calories from fat (less than 7 percent from saturated fat), while those assigned to the low-carb diet were instructed to limit their carbohydrate intake to less than 40 grams per day. Neither group was given a specific calorie goal. On average across the 12 months, participants in the low-carb group consumed about 130 fewer calories per day than those in the low-fat group. Continue reading