Is “After abdicating, he was poisoned to death by Cao Pi” true?

novel invention

The Records of the Three Kingdoms, Book of Wei, Annals of Emperor Wen records that after abdicating, Emperor Xian was enfeoffed as Duke of Shanyang, enjoyed the rites and music of a Son of Heaven, and died of natural causes in the second year of the Qinglong era, ending his life well.

Emperor Xian of Han

In official histories, he is a wandering emperor who ultimately abdicates to a puppet ruler, while in fiction he is portrayed with great sympathy.

Other claims about Emperor Xian of Han