Nucleotide excision repair is a process that repairs damage to one strand of the DNA, particularly from UV irradiation, which distorts the DNA helix. The DNA flanking the damage site is cleaved to ...

Base excision repair is a process that removes and replaces damaged or misincorporated bases in one strand of the DNA that may generate mutations if left unrepaired. The damaged base is modified and ...

William Truswell, MD, FACS, operates his own cosmetic and reconstructive facial surgery practice. Dr. Truswell was the first in his area in Western Massachusetts to have an accredited private office ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...