1.   Even though it was now well after midnight, the noise level was approaching the pain threshold.

2.   Everyone has a different pain threshold.

3.   Professional football players have a pretty high pain threshold.

4.   That depends on your pain threshold.

5.   Amazed, the doctor turned the knob again and increased the pain threshold to fifty percent.

6.   A player described as having an incredible pain threshold found himself shaking a bit.

7.   Again, estrogen appeared to lower the pain threshold and testosterone raised it.

8.   Consistently, he said, the mice that had been stressed had higher pain thresholds than those which had not.

9.   He has a very, very high pain threshold.

10.   He was able to practice Thursda y, without any protection, but his status tonight might depend simply on his pain threshold.