In 2016, Ludwig, professor in the Department of Nutrition at Harvard, wrote that the recommendations about avoiding dietary fat were based on limited scientific evidence.
Several recent studies found that high-fat diets actually produce greater weight loss than low-fat diets. And while the 2015 Dietary Guidelines for Americans have now lifted the limit on dietary fat, “you’d never know it, because a full accounting of this failed experiment has not been made,” Ludwig wrote.
The glycemic index (GI) measures how different carbs may affect blood sugar. Foods with a high GI rating can affect blood sugar more than those with a lower rating.
A high fat meal will have a LOWER glycemic effect than a low fat meal even if they both contain the same amount and type of carbohydrate, and this is because…
The MORE FAT or acid a carbohydrate food contains, (or, the more fat or acid in the stomach, during digestion) the slower the carbohydrate food is converted to glucose and absorbed into the bloodstream.
Fermenting foods or the sourdough method of baking bread also lower the GI.
Eaten alone, protein and fat have little effect on blood glucose levels, but that’s not to say they don’t affect your blood glucose response when they are combined with a carb-rich food. Protein will stimulate additional insulin secretion, resulting in lower blood glucose levels.
Your article is good but potatoes are high GI 82 😍
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Hi Sara! If you eat them raw and starchy then yes, they are high-glycemic. However, there are low/average GI potato types such as sweet potato (going as low as 46 after cooking) or red potatoes (waxy type, that are the ones I always recommend using when preparing something with potatoes) are usually under 50 GI. It all depends how you prepare it and what variety you use. Potatoes are nutrient-worthy to have in your diet even if willing to avoid high GI – just look for what suits you best!
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