クリエイターサポート https://creator-support.nicovideo.jp/registration/65066712?ref=pc_userpageTwitterhttps://mobile.twitter.com/re_awake_jpTOXIC SMILE: Harmful toothpaste ingredients linked to increased cancer risk https://www.naturalhealth365.com/toxic-smile-harmful-toothpaste-ingredients-linked-to-increased-cancer-risk.htmlWhat to know about fluoride in toothpaste https://www.medicalnewstoday.com/articles/fluoride-toothpasteFluoride: A review of pre-clinical and clinical studies https://pubmed.ncbi.nlm.nih.gov/29091818/