Kate Middleton's health is "very worrying" and she might be out of action for "longer than we think" after her abdominal operation, according to a TV news host and royal expert.The Princess of Wales underwent the unexpected procedure last week, and the Royal Family has said she'll be off-duty until spring. Now GB News host Nana Akua has said there are now "not many" working royals left due to King Charles' slimmed-down monarchy, leading to concerns over Kate.