Epigenetics: The Link Between Past and Present Trauma and Health Challenges

The Past Isn’t Just in the Past—It’s in Your Cells

Have you ever felt like you were carrying pain that wasn’t yours? Like your body was holding onto something you couldn’t quite name? Emerging research in epigenetics suggests there’s a scientific reason why.

Epigenetics is the study of how our behaviors and environment can cause changes that affect the way our genes work—without altering the genetic code itself. Instead of rewriting the DNA, trauma and environmental stressors “mark” our genes, switching them on or off like light switches. These switches can stay flipped for generations.

Generational Trauma Is Not Just Emotional—It’s Biological

When we talk about “generational trauma,” we often think of emotional or behavioral patterns passed down through families. But epigenetics shows us that trauma may also pass through our DNA expression—creating health challenges, emotional reactivity, or even chronic illness.

For example, a grandmother who lived through war or abuse may pass down a heightened stress response to her grandchildren, even if they’ve never experienced similar trauma. These patterns show up in our cortisol levels, immune system responses, and even gut health.

But Here’s the Hope:

Just as trauma and adversity can alter gene expression, so can healing, safety, and love. Practices like mindfulness, healthy relationships, nourishing food, movement, therapy, and spiritual connection can all help us rewire and recalibrate the body’s response.

Our bodies are not broken—they’re adaptive. They’ve learned to survive. But when we begin to feel safe, the body can begin to unlearn survival mode. The markers don’t have to be permanent.

You Are the Healing Link in Your Lineage

Whether your past includes personal trauma, ancestral wounds, or both—you have the ability to change your story. Every conscious choice toward healing is a signal to your genes that the danger has passed. And that healing doesn’t just bless you—it ripples forward to those who come after you.

You are not bound by your past. You are becoming the freedom your ancestors prayed for.

~Mari