What is nick adams cause of death?

As an AI language model, I don't have access to all the information as to which Nick Adams you are referring to. However, to my knowledge, there have been some celebrities named Nick Adams who have passed away, such as Nick Adams, the American film and television actor who died on February 7, 1968, in Beverly Hills, California, at the age of 36. The cause of his death was an accidental drug overdose.