Gene therapy is a process whereby normal genes are injected to replace abnormal genes.

How do nicotine and tobacco cause cancer? by decreasing blood-sugar levels by damaging or changing a cell's dna by increasing heart rate by increasing phlegm and mucous production

"follow hollywood's hottest diet craze to use more calories and feel great" this article most likely a) provides an easy-to-follow nutrition plan b) includes recommendations that are unsafe c) gives expert advice on creating a healthy lifestyle d) sets a realistic goal for health and weight loss

Which of the following is not a possible cause of conduction deafness? a) cochlear nerve degeneration b) middle ear infection c) impacted cerumen d) otosclerosis