When discussing his relationship with his wife, Travis says, "I have this very strong sense of commitment and tranquility." Researchers have suggested that the neurophysiological basis of this feeling may be due to brain chemicals related to a certain substance. What is that substance?
A) cocaine
B) morphine
C) alcohol
D) cannabis

Question

Quizplus · Accepted Answer

The substance referred to is likely to be related to the opiates, such as morphine, due to their ability to promote feelings of calmness and a sense of well-being. Cocaine and cannabis, on the other hand, are stimulants that are less likely to promote tranquility. Alcohol can have sedative effects, but it is not a substance often associated with long-term commitment or stable relationships.

When Discussing His Relationship with His Wife, Travis Says, "I