A student researching nutrition has taken notes:

• Gut microbiome contains trillions of microorganisms • These bacteria influence digestion and immunity • Diet shapes microbiome composition • Fiber feeds beneficial gut bacteria • Research links gut health to mental health

3
reading

The student wants to explain the connection between diet and gut health.

A

Research has linked gut health to mental health outcomes.

B

Diet shapes gut health because what we eat determines which bacteria thrive—fiber feeds beneficial bacteria that support digestion and immunity.

C

The gut microbiome contains trillions of microorganisms.

D

Gut bacteria influence both digestion and immune function.

Correct Answer: B

Choice B. Diet determining bacteria and fiber feeding beneficial ones explains connection.