2. White Rice
If you eat sushi because it is healthy, you may be getting plenty of protein, vitamins, and minerals from the fish, vegetables, and seaweed, but the white rice may be causing a problem for your bowels. However, not all rice causes constipation, but only white rice.
This means that if you eat whole grain brown rice, you may not be causing irregularities, but can be encouraging healthy elimination. The husks of the rice are where many of the nutrients are, so eat rice in its natural form.
There are many varieties of whole grain rice, and you can even use it to make sushi.