Singer Carly Simon has been diagnosed with Parkinson's disease. The 81-year-old entertainer recently shared this information in a statement. She has been learning to live with the condition and adjusting to its unpredictable nature.

Simon's symptoms vary, with some days leaving her extremely tired and others allowing her more freedom to move and work. Further details about Simon's diagnosis and experience with Parkinson's disease are available from ABC News, which received a statement from the singer.