Kim Kardashian has defended her use of tanning beds. The 43-year-old beauty has come under fire on social media after she recently revealed that she has a tanning bed in her office. In a TikTok video, she shared: “I’m Kim Kardashian, of course I have a tanning bed – and a red-light bed – in my office.” A tanning bed uses ultraviolet radiation to darken the skin. However, they can also damage the skin if you stay exposed to the light for too long. Kim has been widely slammed on social media for promoting tanning beds. But she has now hit back at her critics, explaining that she uses the bed to …