Which of the following has not been shown empirically to improve mental health and functioning?

Question

Quizplus · Accepted Answer

All of the options listed have been shown through various studies to have positive effects on mental health and functioning. Exposure to sunlight can improve mood and vitamin D levels, ingestion of certain soil bacteria (like Mycobacterium vaccae) has been linked to increased serotonin levels which can improve mood, and spending time in natural settings has been associated with numerous benefits including reduced stress, improved mood, and enhanced cognitive functioning.

Which of the Following Has Not Been Shown Empirically to Improve