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What is a key characteristic of lasting trends in nutrition?
They are quickly forgotten
They tend to be backed by scientific research
They are fueled by marketing tactics
They focus on one specific nutrient
The correct answer is: They tend to be backed by scientific research
Lasting trends in nutrition are distinguished by their backing from scientific research. This characteristic ensures that these trends are based on credible evidence, making them more reliable and applicable over time. When scientific research supports a nutrition trend, it typically examines the effects of certain dietary practices or foods on health, leading to conclusions that can withstand scrutiny and are likely to be beneficial in the long term. This kind of evidence-based approach is what sets apart effective nutritional trends from fads that may lack foundational research and thus can be ephemeral. By contrast, trends that are quickly forgotten are often those that lack substantial evidence or scientific backing, leading to a cycle of popularity that rapidly dissipates. Trends driven solely by marketing tactics may capitalize on consumer interest but do not necessarily contribute to sustained health benefits or knowledge. Lastly, focusing only on one specific nutrient can result in an overly simplistic view of nutrition, ignoring the importance of dietary patterns and the interplay of various nutrients, which are critical for overall health. Thus, the key characteristic that defines lasting trends in nutrition is their strong foundation in scientific research.