TikTok's 'Dehydration Check' Is Silly and Useless
by Beth Skwarecki from Lifehacker on (#5M1JH)
TikTok is a fantastic place to discover new things to worry about, or new ways to worry about old things. The latest is the dehydration check," in which you pinch the skin on your knuckle. If the skin stays wrinkled for a few seconds, that's (supposedly) your sign to grab a glass of water.