The need of salt-tablets in the desert

[K.Wilding]

klomberg at euronet.nl (Matthieu_Klomberg) wrote:
>
> I have a question. If a man stays for a while in the desert, does he need 
> salt-tablets to stay alive if there is a short of water.
> 
> Does salt reduces the intake of water?
> It looks contradictionary.
> 
> Waiting for any reply,
> 
> 
He needs salt due to the loss of ions in the sweat, surely?