Kidney stones are stones formed in the kidneys. The following are some points to note about kidney stones:

• They are common
• Occuring in about 0.1 to 0.3 percent of the population, with a prevalence of 1 to 5 percent.
• In males it is a lot more frequent than in females.

Here are some ways to prevent Kidney stones:

• Low sodium, low protein normal calcium diet.
• Low purine diet (fish,meat and poultry)in established hyperuricosuria
• Low oxalate containing diet(spinach,chocolate and nuts)
• Drinking a lot of water
• Avoid bathing in streams or rivers