Vitamin supplements can be good for you, but even too much of a good thing can be bad. Too much vitamin C can increase the risk of kidney stones in men.

Calcium stones are the most common type of kidney stone. Consuming more calcium, however, doesn’t cause them. In fact, a calcium-rich diet may help prevent kidney stones.

Keeping a healthy body weight is important for the heart and joints. Losing weight may also be important for healthy kidneys.

Before kidney transplantation, heavier patients are often told to lose weight to reduce the risk of complications. However, it's still unclear if some obese patients are too heavy to get a kidney transplant at all.

Whether you are old or young, being overweight or obese is not good for your health. If you are a teenager carrying too much extra weight, you may be in store for serious health problems as you grow older.

Poor people in the United States are more likely to develop kidney disease. Unhealthy diets may have something to do with this gap. A recent study showed poor dietary habits were strongly associated with kidney disease among the urban poor.

Your kidneys are your body's filters. That is, they help rid the blood of waste. So it may follow that what you put in your body can affect your kidneys, especially if you have kidney disease.

Add some salt and your meal might taste a little better. But if eating too much salt is bad for your health, is that extra splash of salt really worth it?

Inflammation occurs with many chronic and acute diseases. Fish oil, a source of omega-3 fatty acids, may help curb this painful symptom.

In many cases, type 2 diabetes can be prevented or reversed through a healthy diet and exercise. When lifestyle changes don't do the trick, obese patients can turn to weight loss surgery.