Question

Why do we gargle with salt water during bacterial throat infection

Answer 1

yes

Salt has the ability to kill almost bacterias.

only Halophile (exremophiles) can survive in high salinity condition.

That's why gargling with salt water will be most beneficial home based cure for throat infection.

Answer 2

Because salt is a natural antibacterial medics so it will kill the germs or bacteria in the throat or mouth