kidney stones

One way to help prevent the formation of kidney stones: drinking eight ounces of water (with a squeeze of lemon) every hour. Dr. Stephen Knohl, a nephrologist at Upstate Medical University, shares more tips for fending off kidney stones.

Steady fluid intake is the first step, especially for those who have a history of kidney stones. But not all fluids are equal. Alcohol, dark-colored sodas and juices with high fructose corn syrup are not good choices. Other things to limit: salt and animal protein. Hear more this Sunday at 9 p.m.