Fish has some powerful health benefits -- it's great for heart health and even has perks for brain power. Now we're learning that eating fish twice a week can reduce the risk of kidney disease in people with diabetes.

Protein in urine is an early sign of kidney disease. In a recent study, people who ate fish once a week or less were more likely to have protein in their urine than those who ate fish at least twice a week.

If you want to incorporate more fish in your diet, check out AOL Health's dish on fish. They've got the low-down on the risks (mercury, etc.) compared to the benefits as well as the various benefits of different types of fish. And before you go shopping at the fish market, you may want to check out Fitz's post on fishy business.