Most legal settlements include broad releases. That is not unusual. When a case settles, defendants want finality. They want peace. They want to know that the same claims cannot come back years later.

But sometimes the question is not only whether a release is legally enforceable.

Sometimes the question is whether it should still stand when science changes.

In the NFL concussion settlement, retired players who remained in the class and sought benefits were bound by sweeping releases. Those releases protected the NFL from future lawsuits tied to the very brain injuries at the center of the litigation, including claims involving chronic traumatic encephalopathy — better known as CTE.

At the time, CTE could only be definitively diagnosed after death. That fact shaped the settlement. The agreement compensated certain “Death with CTE” claims, but it did not create a true living CTE claim for players who might one day be diagnosed while still alive.

That matters.

Because today, medical science is moving closer to identifying CTE in living human beings through clinical criteria, imaging, and biomarkers. We are not all the way there yet. But we are much closer than we were when the settlement was negotiated.

So what happens if science catches up?

What happens if living retired players can one day be told: “Yes, you have CTE”? It's happening.

Should a release signed years earlier, at a time when that diagnosis was not medically available during life, forever bar those players from seeking accountability?

Should the NFL receive permanent legal protection because the science was not ready yet?

And should finality for a powerful institution outweigh fairness for men and families who may still be living with the consequences?

This is one of the uncomfortable questions behind the NFL concussion settlement.

The public saw headlines about billions of dollars and historic relief.

Many families saw something very different: delay, denial, paperwork, uncertainty, and a legal structure that may have closed the courthouse doors before the full truth could ever be diagnosed.

Legal releases matter. But so does justice.

And when science evolves, accountability should not disappear simply because a defendant got there first.