0020名無しさん@英語勉強中 (アウアウエーT Sa4a-o78b)2019/09/07(土) 19:41:13.61ID:ZphSaKAxa i am suprised to know that sugar may be addictive like alcohol or tobacco or drugs. i am not sure if there is some scientific study to show that it is definitely true. i want to know how much sugar you should take a day.