What Catherine died of a broken heart?

Catherine of Braganza, the Portuguese princess and wife of King Charles II of England, is often said to have died of a broken heart following the death of her beloved husband in 1685. Despite their initially tumultuous marriage, they grew close over the years, and Charles's passing deeply affected her. Catherine's health declined rapidly after his death, and she passed away in 1705, leading many to believe that her grief contributed significantly to her demise.