Kidneys produce hormones. Normal kidneys also make important chemical messengers called hormones. These hormones circulate in the bloodstream and regulate some body functions such as blood pressure, the making of red blood cells, and the uptake of calcium from the intestine.
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Positional dizziness: You may have a condition called benign positional vertigo which causes a brief spinning sensation with change in head position. This can be diagnosed and treated with what are called repositioning maneuvers, also called epley maneuvers.