A new study found that migration from a non-Western country to the US is associated with immediate loss of gut microbiome diversity and function. These effects increase with duration of US residence. Loss of diversity increases with obesity and is compounded across generations.

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A new study found that migration from a non-Western country to the US is associated with immediate loss of gut microbiome diversity and function. These effects increase with duration of US residence. Loss of diversity increases with obesity and is compounded across generations.