For example, it controls digestion, respiration, the contractions of the heart and of smooth muscles in blood vessels, and the release, by the endocrine system, of hormones which regulate metabolism and growth. Hormones themselves can influence behaviour by their effects on specific parts of the brain.
Hematuria is also common in older men due to the use of certain medications or prostate enlargement. Blood in urine may occur due to infection, inflammation, or injury to the urinary system. Small amounts of blood are typically associated with kidney damage, while lower urinary tract conditions lead to gross hematuria. Kidney and ureter stones commonly cause hematuria in individuals younger than 40 years of age.
Blood in urine during pregnancy. The presence of blood in the urine (hematuria) during pregnancy may indicate serious problems. During pregnancy, blood in the urine may be due to gallstones or kidney stones. However, the most common cause of the presence of blood is the presence of a urinary tract infection. Here is an overview of the causes and symptoms of hematuria in pregnancy. Causes of blood in urine during pregnancy.