That's right about the intravenous drip that you drink. Especially for those who are doing club activities, drinking sweet Spodori makes the oral environment more acidic, so it is easy to get cavities. And Pocari used to spread the "Good night Pocari" movement to drink Pocari before going to bed on SNS, but the proposed situation was pointed out by the dental community and it took center stage. This is because when humans sleep, the amount of saliva is less and the time when cavities are more likely to occur is during sleep.