March 13, 2012 8:52 am Need a New Hip? Avoid Metal on Metal New study shows that metal-on-metal hip replacement is falling at much higher rates than other types. The study author even suggest a ban. US & World Videos 1:09 Police respond to pro-Palestinian protests at UConn, Yale 1:07 Police respond to Pro-Palestinian protest at Yale in New Haven 48:28 This man wanted to read a magazine about Latino executives in the US, so he created one 4:17 Kelly Clarkson meets NHL's first female Stanley Cup keeper 1:46 Anne Hathaway reflects on chemistry read with Nicholas Galitzine for ‘The Idea Of You'