This is a test of commonsense. Complete the next sentence:

How to attain a longer lifespan on the japanese diet
Eat more whole grains.
Japanese people consume large amounts of grain-based dishes, largely centered on rice or noodles made from whole grains. According to the japanese government, you should try to eat five to seven servings a day.
These foods should be the staple of your diet. One serving equals one slice of bread or cup of cooked rice or noodles.