 I've had people ask me how I find relief, and I tell them Navaj immediately. This thing is amazing. Navaj is available at Navaj.com or at Walmart, Walgreens, CVS, and Rite Aid. John Cena is retiring. CBS's Matt Piper reports. Wrestling superstar and actor John Cena announces his retirement from in-ring competition during a WWE event in Canada. I want to say thank you.