There are many different answers.
But the most common in the press and web pages are that he died from an overdose
in other words:
he took too much drugs at one time.
It was a great loss
nothing
The dog I associate with Mr. King is Cujo.
"Cujo" from the Stephen King movie of that name, was a St. Bernard.
symbolism
They die at the age of 42 and some even die at 65!
Alfred Gatley died in 1863.
Alfred Gatley was born in 1816.
Gatley railway station was created in 1909.
Stephen Tumim died in 2003.
Stephen I of Constantinople died in 893.
Stephen Menheniott died in 1976.
Stephen Eckard died in 1979.
Stephen Probyn died in 2008.
Stephen Mueller died in 2011.
Stephen Wäkevä died in 1910.
Stephen Arlen died in 1972.
Stephen Peer died in 1887.