Translation of "Healthier" in Chinese

So, will this mean healthier cities?

那么，这代表更健康的城市吗？

Country life is healthier than city life.

鄉村生活比都市生活健康。

Can Edinburgh show us the way towards healthier cities?

爱丁堡能不能向我们展示成为更健康城市的办法？

It's probably healthier to eat popcorn than it is to eat potato chips.

吃爆米花可能比吃薯条更健康。