What are the main Causes Leading to Kidney Stones?

The main reasons that cause Kidney Stones are not filtered when residues are dissolved in urine, they remain in the kidney in the form of microscopic crystals.Over time, these crystals grow in size and, if they are not dissolved they can turn into stones become large enough to block some urinary tract. Factors contributing to occurrence of kidney stones are of too low insufficient liquid, dehydration or water removal from the body by chronic diarrhea, excessive exercise, some drugs that cause increased uric acid levels, some calcium-based dietary supplements, some diet based on certain food and vitamin D overdose