Lately, I have been inundated with ads on social media for those brightly-colored, weighted hula hoops that are attached around your waist. Maybe you’ve seen a barrage of them, too? With such a ...

Add Yahoo as a preferred source to see more of our stories on Google. Do you remember hula hooping when you were a kid? It was so much fun it never seemed like 'exercise.' But to do it now? Really?

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." After an abdominal surgery nearly three years ago, my core strength was wrecked and in desperate need of ...