Washington [US], September 6 (ANI): Singer Halsey opened up about her health issues and how she came to know about it on her 28th birthday. Indeed, it was a painful revelation for her on the special day when she came to know that she was suffering from T-cell lymphoproliferative disorder, reported People. The shocking news also impacted her music. She shared, “I had a baby and I was on my tour, and it was my 28th birthday when I got the confirmation of my T-cell lymphoproliferative disorder diagnosis.” It was not an easy phase for her and has a deep impact on her creative process, which was of…