C is the correct answer because it always comes back worse
Answer:
Abnormal hormone levels.
Abnormal levels of brain chemicals called neurotransmitters.
Inflammation and infection of the prostate or urethra.
Inherited traits
I have no idea what is your question, or if you are just looking for confirmation, but this is true. Irritable bowel regards some physiological changes to the large intestines which are a major component of the GI tract.
Answer: joint
hope this helps