Often they were created with real physical reasons behind them.

He may not be able to come back because of physical reasons.

Of course, there was no physical reason why he should be dead.

I know as a doctor there was no physical reason against it.

I've found there's usually a physical reason for such people.

There are no physical reasons as to why any person cannot sing.

"There is a physical reason for this pain," she tried to tell him.

Well, he could think of no physical reason why not.

What troubled him most was that there didn't seem to be any physical reason.

There's never been any physical reason why we can't have children.