The diets of some herbivorous animals change with the seasons.

A diet should change the dieter's eating habits for a long time.

Your diet may change over time as your disease changes.

Like many Americans, my diet has changed considerably over the past five years.

Their diet and living conditions have changed over time.

From this we can learn how their diet changed over time.

The western diet has changed dramatically over the past few decades.

They also didn't check to see if their diets had changed over the course of the 17-year study.

I feel I owe you so much because this diet has changed my life.

How has your diet changed in the past 10 years?