The Neural Pathways of Letting Go

In 2001, psychophysiologist Dr. Charlotte vanOyen Witvliet at Hope College conducted a study that changed how scientists understand forgiveness. She asked participants to think about people who had genuinely wronged them, then monitored what happened inside their bodies.

When participants rehearsed the grudge — replaying the offense, nursing the bitterness — their heart rates climbed, blood pressure spiked, cortisol flooded their systems, and their facial muscles tensed into an involuntary scowl. Their bodies entered a stress response indistinguishable from being under active threat.

Then she asked them to practice empathy and extend forgiveness toward those same offenders. The monitors told the story: heart rates slowed, blood pressure dropped, muscles relaxed. The body returned to peace.

Here is what stunned the researchers: unforgiveness does not just wound the soul. It keeps the body locked in a perpetual state of emergency, as if the original harm is happening over and over again. The body cannot distinguish between a grudge replayed and a blow being struck right now.

Scripture understood this long before the laboratory confirmed it. When the Apostle Paul urged the Ephesians to "get rid of all bitterness, rage and anger" (Ephesians 4:31), he was not offering lifestyle advice. He was describing liberation. Forgiveness does not just free the person who wronged you. It frees every cell in your body from a war that ended long ago.

This week, ask El Shaddai — the God who is more than enough — to give you the strength to release what you have been carrying. Your body already knows it was never designed to hold it.