The correct answer is serotonin.
Obsessive-compulsive disorder refers to a mental ailment in which the individuals do certain routines frequently, feel the requirement to check the things repeatedly or possess some kind of thoughts repeatedly.
Serotonin refers to a monoamine neurotransmitter and is well known as a contributor to the feelings of happiness and well-being. It is mainly found in the enteric nervous system situated in the GI tract. However, it is also generated in the CNS mainly in the Raphe nuclei situated in the brainstem.
Serotonin
Regarding pharmacological treatments for obsessive-compulsive disorder, the most effective drugs are those that inhibit the reuptake of the neurotransmitter called serotonin.
Serotonin is a neurotransmitter and a hormone that takes part in various functions in the human body. Serotonin is used to relay messages between nerve cells and it influences levels of mood, happiness and anxiety in the brain. Low serotonin levels is associated with brain and mental health disorders such as obsessive-compulsive disorder, anxiety disorder and post-traumatic stress disorder and serotonin is used to treat them.
