"Hourglass syndrome," which now has over 14 million views on TikTok, is the result of sucking in your stomach for an extended period of time.
USA TODAY, USA Today: Entertainment
Sat, 10/22/2022 - 8:00am
"Hourglass syndrome," which now has over 14 million views on TikTok, is the result of sucking in your stomach for an extended period of time.