The World Pharmaceutical Market Summary shows that antidepressants and mood stabilizers are the third most commonly prescribed medications and that antipsychotics are fourth! Most families have serious dysfunctionalities that lead to stress, anxiety, and depression.
Our value system is misguided and leads to materialism taking precedence over service and narcissism over giving, sharing, and loving. Until we evolve to a higher level of consciousness, we are likely to continue suffering from mental illness.