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New Recommendations for Healthy Eating
The National Academy of Sciences' Institute of Medicine (IOM) has issued a report with new Dietary Reference Intakes (DRIs) for macronutrients. The full report, "Dietary Reference Intakes for Energy, Carbohydrates, Fiber, Fat, Protein and Amino Acids (Macronutrients)," gives new recommendations for healthy eating. While everyone has different philosophies and practices regarding what they consider to be a healthful diet, it is interesting to keep up with what the Institute of Medicine is reporting. Earlier guidelines recommended that adults get 50% or more total calories from carbohydrates, 30 percent or fewer total calories from fat and 10-35% from protein. The new guidelines now recommend 45-65% percent of total calories from carbohydrates, 20-35% of total calories from fat and the protein recommendation remains unchanged.
Figure 3 compares the old recommendations with the new ones. Ranges for protein, carbohydrates and fat were established to help people make healthier choices in diet and activity, since unbalanced diets (high-fat, high-carbohydrate, etc.) can cause serious health problems, including obesity, as well as an imbalance in the ratio of HDL (high density lipoprotein, "good" cholesterol) and LDL (low density lipoprotein, "bad" cholesterol). Exercise plays a great role in healthy living as well. Previously, it was recommended that people get at least 30 minutes of moderate exercise (such as brisk walking, swimming, or cycling) every day. Currently, it is now recommended that adults get at least one hour of moderate exercise a day to maintain a healthy weight and proper cardiovascular fitness. The report gave additional recommendations:
For additional information, The National Academies website is: www.nationalacademies.org. |