or those of you who have tried press-on nails, you know they can be an easy, quick-fix when you want the look of a manicure without the cost or hassle of a trip to a salon. But you might not know that fake nails can be risky for your health.

Before you spend your money, Consumer Reports has the facts you need to know.

Throughout the competition, they'll be tested for their strength, endurance, agility and mental toughness in challenges that take place in the real world, redefining what it really means to be tough. They'll be eliminated one by one, until only one competitor is crowned the Tough as Nails winner. "Tough as Nails was inspired by my proud working-class family of farmers, gold miners, builders and coal miners," said Keoghan, who also hosts and executive produces CBS' The Amazing Race. RELATED CONTENT:'Big Brother' Alums Victor and Nicole Say They Really Fell in Love on 'The Amazing Race' (Exclusive)'The Amazing Race' Season 31: Why the 'Survivor' Alums May Have the Advantage! Jessica Graf and Cody Nickson Talk Winning 'Amazing Race' and Moving to Dallas (Exclusive)