【正确答案】In fact, indoor air quality has a great deal to do with children's health, and adults' health for that matter.

【答案解析】[翻译指导] “事实上”也可用as a matter of fact, actually; has a great deal to do with表示“与…密切相关”，还可用has a lot to do with; for that matter表示“关于那件事，就那件事而言”。