I am absolutely convinced that if smoking were illegal , smokers and non smokers alike would be protected from the dangers of smoke. Do you wish.for it to sound more like spoken English? It certainly sounds natural, perhaps a little formal. Less formally, we might say: put a ban on cigarettes - that way, we protect both smokers and non smokers from the dangers of smoke.

Could someone check this sentences and make it sound more natural?. Please feel free to edit or make any changes you deem necessary I am absolutely convinced that if smoking were illegal , smokers and non smokers alike would be protected from the dangers of smoke,

I am firmly convinced that making smoking illegal would protect both smokers and non-smokers from the dangers of smoke. I am absolutely convinced that if smoking were illegal , smokers and non smokers alike would be protected from the dangers of smoke,