ad, the most expensive medicine of ours is insulin, the most commonly used medicine in maru khorasan, razavi, fars and tehran , respectively, according to the meteorological organization , it has predicted rain for the northern regions of the country today, considering the intensity meteorological warnings have been issued for some provinces. also , the weather should be cooler in the northern parts of the country , ardabil province, the northern part of east azarbaijan, areas of north khorasan province, as well as in the slopes of alborz and the heights of zanjan, qazvin, alborz provinces. tehran and semnan, the rain in the western parts of the caspian sea coast is more severe in ardabil province, gilan, in the northern city of east azerbaijan, and in these areas they are more intense. due to the rains, a meteorological warning has been issued . we are avoiding staying on the banks of the rivers and going to the caspian sea. the wave height near the coast can reach up to three meters. in terms of weather, we expect the temperature to drop by 18 degrees in the north-west and north-east for the nex