Former Raiders football player William Negron talks about how NUCCA care was able to help turn his life around. After lower back surgery did not help William to the extent he was hoping, he turned to NUCCA. Down from 10 Percocet a day to 3, each day is better than the next. In addition to his lower back William talks about the improvement in his knee pain and jaw misalignment. Discover NUCCA for you and your family.