When I first heard about the CDC-Kaiser Permanente ACE Study , it felt like a light bulb had actually gone on. Finally, FINALLY, someone was validating what I saw every single day teaching in East Oakland. For eight years, I taught at an elementary school in the most violent part of Oakland , the part that the police called the “Killing Zone.” The kids in my class had seen friends, neighbors, and family members shot or stabbed, and routinely hid in bathrooms and closets when gang fights...