The clean water which is boiled and cooled down in Islamic medicine is called Faater. (Not very hot and not very cool)
🔸According to Ahadith Faater water has many benefits especially if you drink it first thing in the morning or for Iftaar.
💠 Imam Sadiq quotes from the holy Prophet that Faater water
🔺purifies the tummy and liver,
🔺Cures the bad breath,
🔺strengthens the teeth and eyes,
🔺improves the vision
🔺cools down the exited veins
🔺removes the bitter taste,
🔺reduces the phlegm,
🔺cools down the heat of the tummy,
🔺cures the headache and etc.
📚 Bihar Al-Anwar, vil.16, page 242