But those promises run headlong into questions raised by a dark history of research.
She scrambled to her feet and ran headlong to the bed.
They listened for a little while, and then ran headlong up to join her.
Instead of trying to harm him, they ran headlong into the Sea.
He ran headlong toward the back of the house and into the kitchen.
He was using his skills at bringing people to run headlong into themselves.
That trend is running headlong into a couple of others.
He ran headlong into him coming back to the office.
The three German guards were running headlong down the mountain.
He'd just run headlong into a glaring difference between his time and this.