Pasuk brought by Rav Arush

כה  וַעֲבַדְתֶּם, אֵת יְהוָה אֱלֹהֵיכֶם, וּבֵרַךְ אֶת-לַחְמְךָ, וְאֶת-מֵימֶיךָ; וַהֲסִרֹתִי מַחֲלָה, מִקִּרְבֶּךָ.  {ס}25 And ye shall serve the LORD your God, and He will bless thy bread, and thy water; and I will take sickness away from the midst of thee. {S}