Queen Camilla returned to work too soon following her bout of pneumonia, her son Tom Parker-Bowles has revealed.The Queen has been recovering from the chest infection since returning from a royal tour of Australia and Samoa.The food writer and critic revealed: “She went back to work before she should have done but she’s fine. She’s tough. She hates that she missed Remembrance Sunday. That’s a big day for her.”The 49-year-old described his mother as resilient, noting that since becoming Queen, she works “harder” than before.Queen Camilla returned to work too soon following her bout of pneumonia, according to her son Tom Parker-BowlesGettyHe added that “nothing’s changed” about his mother except her increased workload, sometimes only discovering her overseas royal visits when watching television.Parker-Bowles revealed the royal couple have endured “a hell of a two years” marked by significant health challenges.He previously said: “I know for a fact, I’m not speaking out of school here, that she’s utterly devastated to miss the Remembrance Sunday service which is not just important to everybody but hugely important to her as well.”His comments come as King Charles continues to receive treatment for cancer, which was diagnosed in February.The Queen has been recovering from the chest infection since returning from a royal tour of Australia and SamoaPAThe food writer confirmed that his stepfather’s cancer treatment is “going well,” according to doctors.The health struggles of both monarchs have prompted Parker-Bowles to reflect on mortality and family time.”The older you get, the more conscious you become of mortality, especially with illnesses and the rest of it,” he told the Daily Telegraph.Despite their health setbacks, the Queen has maintained her royal duties, though her recent chest infection temporarily forced her to step back from public engagements.Tom Parker Bowles works as a food criticPAParker-Bowles is set to spend his first Christmas at Sandringham with the royal couple, marking a departure from his usual festivities.The Queen personally invited her son, telling him: “I’d love you to come, I haven’t had Christmas with you for a long time.”The formal nature of royal Christmas celebrations may have deterred Parker-Bowles in previous years, but 2023’s health challenges appear to have prompted a change of heart.The traditional royal gathering will be a stark contrast to his usual casual celebrations with his former wife, ex-fashion editor Sara Buys, and their children.