It depends upon what your intentions are and your lifestyle. If you have an active lifestyle, rice is a good source of complex carbohydrates and protein. Also, it lacks gluten which can cause problems for many people. Eating brown rice every day can help keep you regular. It can also help you to maintain healthy blood sugar levels.
On the other hand, it might not be a good idea to eat rice every day because it can also contain arsenic in higher concentrations than some other grains. It is okay to make brown rice a staple in your diet, but for your overall health, it is essential to consume a variety of foods.