Regarding the dehydration work see:
> Oral rehydration therapy (ORT) is a type of fluid replacement used to prevent and treat dehydration, especially due to diarrhea.[1] It involves drinking water with modest amounts of sugar and salts, specifically sodium and potassium.[1] Oral rehydration therapy can also be given by a nasogastric tube.[1] Therapy can include the use of zinc supplements to reduce the duration of diarrhea in infants and children under the age of 5.[1] Use of oral rehydration therapy has been estimated to decrease the risk of death from diarrhea by up to 93%.[2]