Overall, What Have Researchers Concluded About the Well-Being Benefits of Religion

Overall, what have researchers concluded about the well-being benefits of religion?

A) Religion shows small but consistently positive well-being benefits.
B) There are no significant differences in the well-being of religious and non-religious people.
C) The overall effects of religion are "washed out" because about half do better and half do worse.
D) Until individual differences in religious experience and involvement are sorted out, no overall conclusion is possible.