Why did Kangxi Chinese emperor die?

Emperor Kangxi of China, who reigned from 1661 to 1722, died on December 20, 1722, primarily due to natural causes related to his advanced age. He was 68 years old at the time of his death and had been experiencing declining health for several years. His long reign was marked by significant political stability and cultural achievements, but his health deteriorated in his later years, ultimately leading to his passing.