
Actress Selma Blair was diagnosed with MS in 2018 but said her symptoms started after the birth of her son in 2011.

Comedian, actor, and voice actor Jonathan Katz said he initially began experiencing MS symptoms in 1996.

TV personality Jack Osbourne was diagnosed with MS in 2012, just weeks after the birth of his daughter.

"Sopranos" actress Jamie-Lynn Sigler, 34, revealed that she has multiple sclerosis in People magazine. She told the magazine she was diagnosed with the disease when she was 20.

NASCAR driver Trevor Bayne announced that he was diagnosed in 2013. The chronic disease affects the central nervous system, often causing pain, numbness in the limbs and a loss of vision.

Actress Teri Garr was diagnosed with multiple sclerosis in 1999. Garr might be best known for her roles in the iconic 1980s films "Mr. Mom" and "Tootsie."

It has been more than 15 years since musician Clay Walker was diagnosed with multiple sclerosis. He says he's learned to manage his condition by eating a healthy diet, exercising and taking his medication.

Josh Harding, formerly a goaltender with the NHL's Minnesota Wild, was diagnosed with MS at the age of 28.

Singer Alan Osmond, left, and his son David Osmond both live with multiple sclerosis.

Fox News anchor Neil Cavuto was diagnosed with multiple sclerosis in 1997.

Talk-show host Montel Williams was diagnosed with multiple sclerosis in 1999. Williams said then that he had been misdiagnosed for 10 years.

Noah "40" Shebib, a Canadian hip-hop producer who has collaborated with artists such as Drake and Lil Wayne, was diagnosed with multiple sclerosis in his early 20s.

David Lander, left, who played Squiggy on TV's "Laverne & Shirley," hid his diagnosis for 15 years "primarily because I didn't think show business would embrace the fact that I have a chronic disease known as multiple sclerosis," he said in a 2001 interview with CNN.

Ann Romney, wife of former presidential candidate Mitt Romney, was diagnosed with MS in 1998.

Ten years ago, singer Tamia Hill was diagnosed with multiple sclerosis. She has recorded four albums since.

Chris Wright was the first-known NBA player with multiple sclerosis. The former Dallas Maverick now plays professionally in Israel.