Which set of symptoms describes the short term effects of marijuana

Which of the following identifies a main culprit for america’s increasing weight gain

Take a nutritional supplement during times of stress a. is recommended by al doctors as a stress management technique b. has been scientifically proven to aid in stress management c. only adds to the stress you’re feeling d. can you feel better because you believe it will you

Is psychology a science? use evidence form the article to explain you answer.