Renal lithiasis, or more commonly known as kidney stones, happens when minerals and acid salts crystallize in the urine. This process may produce relatively large kidney stones that are unable to pass through the urinary tract successfully, which can cause immense discomfort.

According to a report from researchers at the Stanford University School of Medicine in California, a vasectomy is not linked to decreased sexual intercourse.

When you go for a check up at the doctor, people generally know to drink a lot of water before their appointments because they know they will need to urinate in a little cup. 

Testosterone is the male hormone responsible for regulating sex drive and sperm count, but it also gives men their deep voice and body hair. Around age 30, it is normal for men to begin losing levels of testosterone.