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Contrary to popular belief, ketogenic diets are not meant to be high in protein. This is because excess protein (beyond what is required to maintain your muscle) can be transformed into glucose in the body, a process called gluconeogenesis. Dietary protein is also insulin-stimulating, albeit to a much smaller degree than carbohydrates—insulin helps to shuttle amino acids from the protein into skeletal muscle tissue to aid in repair (this is helpful in the context of resistance training, for example, where it promotes muscleprotein synthesis). The ketogenic diet has been in clinical use for over eighty years as a powerful treatment…

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Most of the initially conducted LCA studies compared different packaging materials. For example, for milk, a large number of studies has been carried out comparing single-use cartons with disposable and refillable bottles of both glass and polycarbonate. An ecologically sound recycling and recovery of the packaging material strategy combines mechanical recycling with efficient feedstock recycling and energy techniques. The analysis clearly showed that mechanical recycling of the high-grade film and bottle fractions, which only accounted for about 30% of the plastic packaging of households, has already reached its limits (Boudouropoulos and Arvanitoyannis, 1999, 2000). In the feedstock recycling and energy…

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