Jamie-Lynn Sigler has multiple sclerosis

FOX NEWS - Jamie-Lynn Sigler has been battling multiple sclerosis for the past 15 years.

"The Sopranos" actress tells People magazine she was diagnosed with the degenerative disease when she was 19 years old, ahead of the show's fourth season.

Sigler says she wasn't emotionally prepared to reveal her condition to the public until now.

The 34-year-old actress says her symptoms have become worse over the past decade. Sigler noted that she can't run or walk for long periods of time without rest.

See the whole story at FOXnews.com.