Facts:     - medaltemplates: women 's volleyball   Based on these bullet points, write a short biography describing the life of wu dan -lrb- volleyball -rrb- .
A:
wu dan -lrb- born 13 january 1968 -rrb- is a chinese former volleyball player who competed in the 1988 summer olympics , in the 1992 summer olympics , and in the 2000 summer olympics .she tested positive for the banned substance strychnine at the 1992 olympics .