Toxicological trivia from October  20, 2009: The consumption of Thevetia peruviana seed for suicide, has become a common method of deliberate self-poisoning, particularly in:
1) Sri Lanka;
2) Mexico;
3) Brazil.

Answer a. In Sri Lanka, this method is responsible for thousands of cases each year, with a mortality approaching 10%. Read more in RETEL article, issue 19, 2-19: Update on Thevetia peruviana poisoning (Torres, N).