Canadian singer Celine Dion makes a shocking revelation about her medical condition.

Celine Dion revealed in her Instagram video that she is suffering from Stiff–Person Syndrome.

Stiff – Person Syndrome affects approximately one in a million people in the world.

Celine's health started to deteriorate after her husband died.

She revealed that her disorder causes spasms that affect her ability to walk.

Stiff – Person Syndrome is a rare autoimmune movement disorder that affects the central nervous system (Brain and spinal cord).

In this disease muscles in the trunk started to stiffen and with time legs and other body muscles also become stiff and rigid.

Celine Dion canceled her remaining North American shows from her ‘Courage World Tour’.

In past she canceled her 2018 Israel concert due to suffering from the Patulous Eustachian Tube.