The recent British Medical Journal published an international study conducted on 44,000 Swedish women between 30 and 49 years old from 1991-1992 with an average 15 year follow-up. Diet was assessed using an extensive dietary and lifestyle questionnaire. The researchers found that those on high protein, low carbohydrate diets for an extended period of time had more cardiovascular incidents. It is difficult to know what to make of this study. What was the quality of the carbohydrates (whole grains or white flour), the quality of the protein (animal, vegetable, organic), how much did each person's diet vary over the time period? Were the people eating the most carb health-conscious vegetarians, which would certainly make them look better than meat eaters? I am a firm believer in moderation. If you have a blood sugar issue or are at risk for having one, you need to cut down on your carbs. That doesn't mean no carbs, just fewer than what you're eating and make them healthy, whole grain, or starchy vegetable or non-starchy vegetable carbs. Also increasing your legume intake gives you healthier carbs and more protein. People who are doing a lot of endurance exercise need more carbs than people doing primarily resistance training. Everyone needs protein, be it from an animal or vegetable source. Healthy fats are also crucial.
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