What are the advantages and disadvantages of eating rice?

Rice is sweet and warm, and has the effects of invigorating spleen and stomach, nourishing essence and brain, and improving hearing and eyesight. Known as the "head of the five grains", it is the main grain crop in China, accounting for about a quarter of the cultivated area of grain crops. Half of the world's population lives on rice. So far, no harm has been found in eating rice.