Currently struggling with life-threatening health issues, Bret Michaels is back in the hospital following painful headaches which culminated in bleeding at the base of his brain stem.According to People magazine reports, the 47-year-old singer turned reality star is listed in critical condition at an undisclosed hospital after being rushed to get help late Thursday night.Suffering from a massive subarachnoid hemorrhage, a People insider tells, "After several CAT scans, MRIs and an angiogram, [doctors] decided to keep Michaels in the ICU and are running several tests to determine the cause."As for the upcoming hospital plans, the source said, "[It] will be touch and go for the next few days while he is under intense observation."As previously reported by Gossip Center, Michaels underwent an emergency appendectomy in San Antonio, Texas, just two weeks ago.
