Research by Trisha DaSilva and Colleagues Found Which of the Following

Multiple Choice

Research by Trisha daSilva and colleagues found which of the following to be true with regard to yoga and deep breathing?

A) yoga reduces the levels of the stress hormone cortisol
B) yoga increases the levels of the neurotransmitter GABA which is related to mood
C) deep breathing associated with yoga has positive impacts on emotions, stress, and positive thinking
D) all of these options