A former Nickelodeon star has passed away. Christy Knowings, who was 46 years old, died after suffering an asthma attack. The attack caused brain damage and led to a cardiac arrest, according to her father.

Knowings was known for her role on the show "All That". She also made appearances on other programs, including "And Now This" and "Sesame Street". Further details about her life and career are available from news sources.

For more information on Christy Knowings' life and death, readers can refer to the original report from sources like TMZ and The New York Times.