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PACES (Positive and Adverse Childhood Experiences Survey) is a brief questionnaire designed as an alternative to the ACE Survey. It includes questions about protective factors.

PACEs refers to the research about the stunning effects of positive and adverse childhood experiences (PACEs) and how they work together to affect our lives, as well as our organizations, systems and communities. It comprises:

  1. The CDC-Kaiser Permanente ACE Study and subsequent surveys that show that most people in the U.S. have at least one ACE, and that people with four ACEs— including living with an alcoholic parent, racism, bullying, witnessing violence outside the home, physical abuse, and losing a parent to divorce — have a huge risk of adult onset of chronic health problems such as heart disease, cancer, diabetes, suicide, and alcoholism.
  2. Brain science (neurobiology of toxic stress) — how toxic stress caused by ACEs damages the function and structure of kids’ developing brains.
  3. Health consequences — how toxic stress caused by ACEs affects short- and long-term health, and can impact every part of the body, leading to autoimmune diseases, such as arthritis, as well as heart disease, breast cancer, lung cancer, etc.
  4. Historical and generational trauma (epigenetic consequences of toxic stress) — how toxic stress caused by ACEs can alter how our DNA functions, and how that can be passed on from generation to generation.
  5. Positive Childhood Experiences and resilience research and practice — Building on the knowledge that the brain is plastic and the body wants to heal, this part of PACEs science includes evidence-based practice, as well as practice-based evidence by people, organizations and communities that are integrating trauma-informed and resilience-building practices. This ranges from looking at how the brain of a teen with a high ACE score can be healed with cognitive behavior therapy, to how schools can integrate trauma-informed and resilience-building practices that result in an increase in students’ scores, test grades and graduation rates.

1. What are ACEs?

ACEs are adverse childhood experiences that harm children’s developing brains and lead to changing how they respond to stress and damaging their immune systems so profoundly that the effects show up decades later. ACEs cause much of our burden of chronic disease, most mental illness, and are at the root of most violence.

“ACEs” comes from the CDC-Kaiser Adverse Childhood Experiences Study, a groundbreaking public health study that discovered that childhood trauma leads to the adult onset of chronic diseases, depression and other mental illness, violence and being a victim of violence, as well as financial and social problems. The ACE Study has published about 70 research papers since 1998. Hundreds of additional research papers based on the ACE Study have also been published.

The 10 ACEs the researchers measured:

— Physical, sexual and verbal abuse.

— Physical and emotional neglect.

— A family member who is:

  • depressed or diagnosed with other mental illness;
  • addicted to alcohol or another substance;
  • in prison.

— Witnessing a mother being abused.

— Losing a parent to separation, divorce or other reason.

Subsequent to the ACE Study, other ACE surveys have expanded the types of ACEs to include racism, gender discrimination, witnessing a sibling being abused, witnessing violence outside the home, witnessing a father being abused by a mother, being bullied by a peer or adult, involvement with the foster care system, living in a war zone, living in an unsafe neighborhood, losing a family member to deportation, etc.

ACEs fall into three large categories:

  • Adverse childhood experiences
  • Adverse community experiences
  • Adverse climate experiences

Resources:

CDC ACE Study site

Wikipedia — Adverse Childhood Experiences Study

The 10 ACE Questions (and 14 resilience survey questions)

The Pair of ACEs: The Soil in Which We’re Rooted, the Branches on Which We Grow

Why are ACEs significant?

1. The ACE Study revealed six main discoveries:

  • ACEs are common…nearly two-thirds (64%) of adults have at least one.
  • They cause adult onset of chronic disease, such as cancer and heart disease, as well as mental illness, violence and being a victim of violence
  • ACEs don’t occur alone….if you have one, there’s an 87% chance that you have two or more.
  • The more ACEs you have, the greater the risk for chronic disease, mental illness, violence and being a victim of violence. People have an ACE score of 0 to 10. Each type of trauma counts as one, no matter how many times it occurs. You can think of an ACE score as a cholesterol score for childhood trauma. For example, people with an ACE score of 4 are twice as likely to be smokers and seven times more likely to be alcoholic. Having an ACE score of 4 increases the risk of emphysema or chronic bronchitis by nearly 400 percent, and attempted suicide by 1200 percent. People with high ACE scores are more likely to be violent, to have more marriages, more broken bones, more drug prescriptions, more depression, and more autoimmune diseases. People with an ACE score of 6 or higher are at risk of their lifespan being shortened by 20 years.
  • ACEs are responsible for a big chunk of workplace absenteeism, and for costs in health care, emergency response, mental health and criminal justice. So, the fifth finding from the ACE Study is that childhood adversity contributes to most of our major chronic health, mental health, economic health and social health issues.
  • On a population level, it doesn’t matter which four ACEs a person has; the harmful consequences are the same. The brain cannot distinguish one type of toxic stress from another; it’s all toxic stress, with the same impact.

What’s particularly startling is that the 17,000 ACE Study participants were mostly white, middle- and upper-middle class, college-educated, and all had jobs and great health care (they were all members of Kaiser Permanente).

Resources:

ACE Study primer — KPJR Films, which came out with Paper Tigers in 2015 and Resilience in 2016, put together this five-minute overview of the ACE Study.

ACE Study video — Three-minute trailer for a four-hour CD of interviews with ACEs researchers produced by the Academy on Violence and Abuse.

How childhood trauma affects health across a lifetime (16-minute TED Talk by Dr. Nadine Burke Harris)

The Adverse Childhood Experiences Study – the largest public health study you never heard of – started in an obesity clinic

Has anyone else done an ACE Study?

Thirty-six states and Washington, D.C. (infographic) have done one or more ACE surveys. Here are links to some of their reports (some states haven’t produced reports).

There are numerous other ACE surveys, including cities, such as Philadelphia; organizations, including the Crittenton Foundation; schools, including Spokane elementary schools; by pediatricians, including Dr. Nadine Burke Harris and Dr. Victor Carrion (2011 and 2013); several countries, including England, Saudi Arabia, and a World Health Organization ACE survey of university students in Romania,; and 64,000 juvenile offenders in the Florida juvenile justice system. You can find a list of ACE surveys, including expanded ACE surveys with more questions, in the Resources Section of ACEsConnection.com.

2. What’s the neurobiology of toxic stress?

Brain science shows that, in the absence of protective factors, toxic stress damages children’s developing brains. Stress is the body’s normal response to challenging events or environments. Positive stress — the first day of school, a big exam, a sports challenge — is part of growing up, and parents or caregivers help children prepare for and learn how to handle positive stress, which is moderate and doesn’t last long. It increases heart rate and the amount of stress hormones in the body, but they return to normal levels quickly.

But when events or the environment are threatening or harmful – we stumble across a bear in the woods – our brains instantly zap into fight, flight or freeze mode and bypass our thinking brains, which can be way too analytical to save us (Is the bear really mean? Is it more interested in berries or killing me? Should I wait until I see it charge?). With help from caring adults, children also recover from this tolerable stress.

Too much stress – toxic stress – occurs when that raging bear comes home from the bar every night, says pediatrician Nadine Burke Harris. Then a child’s brain and body will produce an overload of stress hormones — such as cortisol and adrenaline — that harm the function and structure of the brain. This can be particularly devastating in children, whose brains are developing at a galloping pace from before they are born to age three. Toxic stress is the kind of stress that can come in response to living for months or years with a screaming alcoholic father, a severely depressed and neglectful mother or a parent who takes out life’s frustrations by whipping a belt across a child’s body.

Resources:

Harvard University Center on the Developing Child

Video: Toxic Stress Derails Healthy Development (2 min)

An Unhealthy Dose of Stress (Center for Youth Wellness white paper)

The Science Behind PTSD Symptoms: How Trauma Changes the Brain

Brain Story Certification, Alberta Family Wellness Initiative

3. What are the health effects of toxic stress?

Chronic toxic stress—living in a red alert mode for months or years — can also damage our bodies. In a red alert state, the body pumps out adrenaline and cortisol continuously. Over time, the constant presence of adrenaline and cortisol keep blood pressure high, which weakens the heart and circulatory system. They also keep glucose levels high to provide enough energy for the heart and muscles to act quickly; this can lead to type 2 diabetes. Too much adrenaline and cortisol can also increase cholesterol.

Too much cortisol can lead to osteoporosis, arthritis, gastrointestinal disease, depression, anorexia nervosa, Cushing’s syndrome, hyperthyroidism and the shrinkage of lymph nodes, leading to the inability to ward off infections.

If the red alert system is always on, eventually the adrenal glands give out, and the body can’t produce enough cortisol to keep up with the demand. This may cause the immune system to attack parts of the body, which can lead to lupus, multiple sclerosis, rheumatoid arthritis, and fibromyalgia.

Cortisol is also extremely important in maintaining the body’s appropriate inflammation response. In a normal response to a bee sting or infection, the body rushes antibodies, white blood cells and other cell fighters to the site and the tissues swell while the battle rages. But too much swelling damages tissue. Cortisol controls this fine balance. So without the mediating effects of cortisol, the inflammatory response runs amok and can cause a host of diseases.

If you’re chronically stressed and then experience an additional traumatic event, your body will have trouble returning to a normal state. Over time, you will become more sensitive to trauma or stress, developing a hair-trigger response to events that other people shrug off.

Biomedical researchers say that childhood trauma is biologically embedded in our bodies: Children with adverse childhood experiences and adults who have experienced childhood trauma may respond more quickly and strongly to events or conversations that would not affect those with no ACEs, and have higher levels of indicators for inflammation than those who have not suffered childhood trauma. This wear and tear on the body is the main reason why the lifespan of people with an ACE score of six or higher is likely to be shortened by 20 years.

Resources:

Childhood Disrupted: How Your Biography Becomes Your Biology and How You Can Heal, by Donna Jackson Nakazawa

The Body Keeps the Score: Brain, Mind and Body in the Healing of Trauma, by Bessel Van Der Kolk

The Deepest Well: Healing the Long-Term Effects of Childhood Adversity, by Nadine Burke Harris, 2018.

Scared Sick: The Role of Childhood Trauma in Adult Disease by Robin Karr-Morse with Meredith S. Wiley

Biologial Embedding of Early Social Adversity, Proceedings of the National Academy of Sciences, 2012

PubMed childhood adversity research publications

4. What’s epigenetics and how does that relate to historical or generational trauma?

Most people believe that the DNA we’re born with does not change and that it determines all that we are during our lifetime. That’s true, but the research from epigenetics — the study of how social and other environments turn our genes on and off — shows that toxic stress can actually change how our genes function, which can lead to long-term changes in all parts of our bodies and brains. What’s more, these changes can be transferred from generation to generation.

Epigenetics means “above the genome” and refers to changes in gene expression that are not the result of changes in the DNA sequence (or mutations).

Resources:

WhatIsEpigenetics.com — This New York-based blog and news aggregator covers the field of epigenetics and is funded by EpiGentek. It includes backgrounders, including epigenetics fundamentals.

Epigenetics — From the Genetics Science Learning Center at the University of Utah, this section includes explainers and an overview of how the social environment affects your epigenome.

Epigenetics 101: A beginner’s guide to explaining everything (TheGuardian.com, 2014)

5. Positive Childhood Experiences and resilience research: If you have a high ACE score, are you doomed? No!

The good news is that the brain is plastic, and the body wants to heal.

The brain is continually changing in response to the environment. If the toxic stress stops and is replaced by practices that build resilience, the brain can slowly undo many of the stress-induced changes.

There is well documented research on how individuals’ brains and bodies become healthier through mindfulness practices, exercise, good nutrition, adequate sleep, and healthy social interactions.

Here’s a good article that weaves the unified science of human development together: Scars That Don’t Fade, from Massachusetts General Hospital’s Proto Magazine.

In the last few years, researchers have started to examine the impacts of positive childhood experiences (PCEs) on children and adults. We at PACEs Connection are particularly interested in the interplay between positive and adverse childhood experiences. Here’s some of the relevant research:

Who’s using PACEs science?

Many people, organizations, agencies, systems and communities are beginning to implement trauma-informed, resilience-building practices based on PACEs science.

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