MASON, Mich. — In a pastoral campground south of Lansing, many attendees at the Michigan Hoop Dance Retreat were hooping as if their hair was on fire. Then, Missy Cooke’s hair caught fire. Dancing ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." TikTok users swear by weighted hula hoops for toning their core and burning calories—but do they really ...