The primary difficulty in predicting the benefits of dietary changes and how they will affect gene expression is:

Question

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Not everyone responds the same to environmental exposures, including dietary changes. Gene expression can be influenced by a variety of factors, including genetics, lifestyle, and environmental exposures. Therefore, it is difficult to predict how an individual's gene expression may be affected by a specific dietary change, as responses can vary greatly among individuals. Gene expression can vary greatly from person to person, even if they have similar dietary habits. This can make it difficult to predict exactly how dietary changes will affect gene expression. Additionally, environmental factors such as stress and physical activity levels can also influence gene expression.

The Primary Difficulty in Predicting the Benefits of Dietary Changes