Kathy Griffin shared in a TikTok post that she has recently been diagnosed with post-traumatic stress disorder and that she sometimes vomits from her anxiety.The 62-year-old comedian implied that the condition stemmed from her public falling-out after she posted a picture of then-President Donald Trump’s fake severed head in 2017.“You can laugh or whatever, but I’ve been diagnosed with complex PTSD, and it’s called an extreme case,” she said in the video posted Tuesday.“If any of you know my story, you’ll understand that this really started for me about 5 1/2 years ago. Wink,” Griffin continued, referencing the 2017 incident.In...