In 2010, Dr. Carlos Monteiro introduced the NOVA classification, which categorizes foods based on the degree of processing. He presented evidence on the risks of excessive consumption of ultraprocessed foods and their impact on health, including weight gain and addiction. Dr. Kevin Hall conducted a study that confirmed the negative effects of ultraprocessed foods on energy intake and weight gain. Both researchers emphasized the need for public health measures to combat ultraprocessed foods, such as warnings on packaging, restrictions on advertising, and taxation. Monteiro believes that regulatory authorities will play a crucial role in driving changes in the food industry to improve public health.
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