Celine Dion performs for 1st time since 'stiff-person' diagnosis: What is the disease?

(NEXSTAR) – At the opening ceremony of the 2024 Paris Olympics, Celine Dion sang atop the Eiffel Tower in her first performance since revealing her diagnosis with a rare disease known as stiff-person syndrome.

The legendary Canadian singer revealed in 2022 she would be taking a break from performing after discovering she has the neurological disorder. It affects about 1 or 2 people per million, according to Johns Hopkins Medicine.

The disease “is characterized by fluctuating...