‘Toxic Stress’ Can Harm Children’s Mental and Physical Health and Learning

The 10-year-old girl suffered from persistent asthma, but the cause was unclear. Tests ruled out everything from pet hair to cockroaches.

Then the girl’s mother thought of a possible trigger.

“Her asthma does seem to get worse whenever her dad punches a hole in the wall,” she told Dr. Nadine Burke-Harris. “Do you think that could be related?”

Burke-Harris, a San Francisco pediatrician, includes the example in her new book, The Deepest Well, to show the connection between what’s known as “toxic stress” and physical health.

Medical professionals and researchers have long studied the impact of adverse childhood experiences (ACEs) and lifelong mental health and addiction. Now awareness is growing of the link between childhood trauma on long-term physical health.

The more ACEs a person suffers as a child – divorce, domestic violence, family members with addiction, et cetera – the higher the risk of problems later in learning, mental and physical health, even early death.

That’s because people with ACEs are more likely to experience “toxic stress”—repeated, extreme activation of their stress response.

Toxic stress affects the developing brain, the immune system, the cardiovascular system, and the metabolic regulatory system, says Al Race, deputy director of the Center on the Developing Child at Harvard. It dramatically increases the risk of hypertension, heart disease and diabetes, among other costly health conditions.

Children with four or more ACEs are four times more likely to suffer from depression in their lifetimes, eight times more likely to become alcoholics and 20 times more likely to use intravenous drugs, research shows. Those who are exposed to very high doses of adversity without caring adults to help can have more than double the lifetime risk of heart disease and cancer, and a nearly 20-year difference in life expectancy.

“There’s a huge body of science that shows the connection between the early years of life with a wide range of health problems later in life,” Race says. “Toxic stress allows us to understand why that relationship exists and how it can get inside developing biological systems in the body.”

Given the stakes, researchers are scrambling to figure out how best to diagnose ACEs.

Researchers at Harvard, the University of California, San Francisco, and other institutions are working on screening tools to detect the biological markers of toxic stress in children so they can detect it earlier and help parents mitigate the effects.

“There’s no one accepted way to measure the effect of excessive stress activation,” says Race. As with adults, he says, “every child reacts to stress differently.”

The Center for Youth Wellness, founded by Burke-Harris, has launched a social media campaign and the new Stress Health website to share the science with parents. The National Pediatric Practice Community, a network of nearly 600 doctors organized by the center, is screening for ACEs and sharing ways to reduce their impact on mental and physical health.

Dr. Imelda Dacones is CEO of Northwest Permanente, the independent medical group that provides care to Kaiser Permanente members in the Northwest.

“More people are clamoring for government policy and health care organizations to provide trauma-informed care because the data is out there,” she says. “The sad thing about ACEs is we’re known about them since 1997, but there’s been a lag in translating it to create a system to actually do something about it.”

More than 20 million children have experienced three or more ACEs. Dr. Don Mordecai, the mental health leader for Kaiser Permanente, says that’s the level at which toxic stress can endanger their lifelong mental and physical health.

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Source: USA Today