Conversation so far:
What year did Janis die?
1970.
How old was she when she died?
On October 4, 1970, producer Paul Rothchild became concerned when Joplin failed to show up at Sunset Sound Recorders for a recording.
Was Janis with anyone when she died?
Peggy Caserta and Seth Morgan had both failed to meet Joplin the Friday immediately prior to her death.

Question: Had anyone tried to stop Janis from using heroin?
Self-contained rewrite: Had anyone tried to stop Janis Joplin  from using heroin?