A diet rich in fiber and fluids would be most beneficial for people with .

constipation

Explanation:

Constipation -

It refers to the medical condition , when the waste produced from the body eliminates out from the body in very slow process via the digestive tract , is referred to as the condition of constipation .

It is one of most common problem faced by people .

The condition can be cured by proper food intake , concentrating more on fluids and fibers in daily diet , in more severe cases , medication is preferred .

Hence , from the given statement of the question ,

The correct answer is constipation .

with out the ancient ppl we wouldnt have medicine beacuse they taught us.