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Silver can be soaked in water and drunk. Silver has the functions of regulating the gastrointestinal tract, antiseptic and fresh-keeping, purifying water quality, removing dampness, anti-inflammation, identifying toxins, and sterilizing.

Li Shizhen, a medical scientist in the Ming Dynasty, recorded in the "Compendium of Materia Medica" that silver has the functions of "pressing the five internal organs, calming the mind, stopping panic and palpitations, and removing evil spirits". Modern science has proven that silver is a natural and permanent bactericide.