The nearness of nitrites in pee is because of bacterial contamination in urinary tract. Urinary tract disease can happen in urethra, kidneys, ureters and bladder. A few microscopic organisms have capacity to change over the nitrates into nitrites because of essence of explicit chemical. The nearness of nitrites in pee can be determined to have urinalysis test. Moles may end up dim after introduction to the daylight amid the teenager years or pregnancy. UV light that originates from the sun opens to moles and makes them destructive.