Carson Daly feels “18 again” after undergoing spinal surgery. The 49-year-old broadcaster went under the knife seven weeks ago in a bid to fix chronic back pain caused by a snowmobiling accident several years earlier and he is delighted the “real hardcore” procedure – which saw an intervertebral disc removed and replaced with a spacer – “worked”. Returning to the ‘Today’ show on Tuesday (17.10.22), he admitted he is feeling “great” now. He joked: “I’m 18 again.” He then added: “It’s been quite the recovery. I had some time to sit around and [rest], but it feels great.” But Carson – who has fou…