The presence of obsessions or compulsions, or both, are what distinguishes obsessive-compulsive disorder from other conditions. The obsessions or compulsions cause marked distress, are time-consuming, and interfere with a person's normal functioning.
(1989) concluded that everyone excretes stinky compounds in their urine after eating asparagus, and the only variation is in ability to smell them. Other papers using chemical tests and carefully controlled smelling tests show that there is variation in excretion of sulfur compounds in urine after eating asparagus.
Scientists have developed two theories to explain why asparagus-tainted urine only affects some people. One posits that only some people metabolize asparagusâ sulfuric compounds in a way that produces the aroma. The other holds that while everyone makes the smell, only some people can actually detect the odor.