You may be interested in this overview article about the ACE Study where, starting on p211, we describe our findings from screening for ACEs on a very large scale. Even this initial step had unexpected major benefits.
Separately, someone recently inquired about treatment as opposed to primary prevention. Two highly effective forms of treatment are EMDR and Ericksonian hypnotherapy. The advantage of each is that both are highly effective, and are so in small numbers of visits. Thus they are more affordable for more people than conventional psychotherapy. You can learn about EMDR by googling it, whereas you can learn about Ericksonian hypnotherapy by going to the web site of the American Society of Clinical Hypnosis.