Virtually every food you eat has been processed to some degree.
Based on the Nova food classification system any alteration to food is a degree of processing. This includes the simplest steps of even washing food. Indeed we have been 'processing' foods for up to a million years in one form or another. Cleaning, washing, grinding, mashing, heating, boiling, and cooking were the very first forms of food processing. This allowed us to extract more calories, proteins, carbohydrates, fats, minerals and vitamins from the available foods. As technology has advanced, so has our ability to process food. Some processes may lead to outcomes that are less favorable such as trans fats. However not all processes lead to a worse outcome, and there are degrees of processing for different purposes. Indeed we can also process unwanted things out of food as well such as heavy metals and harmful bacteria.
In today's episode we talk about the timeline of when we first processed food and what that has done for our evolution and how we have arrived at our modern food supply.
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