Celine Dion said she has been diagnosed with a rare neurological disorder that is the cause of the muscle spasms that have interrupted her life and forced her to postpone her concerts.

The Quebec-born singer announced that she has 含羞草研究社渟tiff-person syndrome含羞草研究社� in a video posted to Instagram on Thursday morning, as she postponed and cancelled yet more of her European tour dates.

The condition is characterized by sudden severe muscle spasms.

含羞草研究社淯nfortunately, these spasms affect every aspect of my daily life, sometimes causing difficulties when I walk and not allowing me to use my vocal cords to sing the way I含羞草研究社檓 used to,含羞草研究社� Dion said in the video.

She said 含羞草研究社渟he has no choice含羞草研究社� but to concentrate on her health, and has postponed her European 含羞草研究社淐ourage World Tour含羞草研究社� dates from February to April and cancelled a run of shows from May to July.

Her shows from August to October are set to proceed as scheduled.

She said it含羞草研究社檚 been difficult to face and talk openly about her health struggles, after first postponing the tour in April citing what she called at the time severe and persistent muscle spasms.

Dion said she is working with a team of doctors and has the support of her children as she tries to return to the stage.

含羞草研究社淚 have hope that I含羞草研究社檓 on the road to recovery. This is my focus and I含羞草研究社檓 doing everything I can to recuperate,含羞草研究社� she said in the video.

含羞草研究社淚含羞草研究社檓 working hard with my sports medicine therapist every day to build back my strength and my ability to perform again,含羞草研究社� she said.

含羞草研究社淏ut I have to admit, it含羞草研究社檚 been a struggle. All I know is singing. It含羞草研究社檚 what I含羞草研究社檝e done all my life, and it含羞草研究社檚 what I love to do the most.含羞草研究社�