What are some of the criticisms of the DSM, especially the last one published? Can you think of other ways to determine when symptoms cross the threshold to be considered a mental disorder? What are some of the effects of gut flora on mental health? What are some ways to improve the balance of gut flora? Can exercise and micronutrients help ameliorate the effects of stress and the effects it can have on mental health? Can nutritional deficiences play a role in the etiology of psychological disorders? Explain