Complex sentence: Most filtered cigarette advertising sought to make claims about the technology behind the filter; through the use of complex terminology and scientific claims regarding the filter, the cigarette industry wanted to ease fears about the harmful effects of cigarette smoking through risk reduction.
Split into simpler sentences: Most filtered cigarette advertising sought to make claims about the technology behind the filter. Through the use of complex terminology and scientific claims regarding the filter, the cigarette industry wanted to ease fears about the harmful effects of cigarette smoking through risk reduction.