Japanese Gymnastics Captain Withdraws from Olympics Over Smoking and Drinking

Shoko Miyata, 19, leaves team after violating Japan Gymnastics Association's code of conduct, impacting team dynamics just before the Games.

Miyata admitted to smoking and drinking, both illegal for those under 20 in Japan.
The Japan Gymnastics Association confirmed her withdrawal after an investigation.
Japan's women's gymnastics team will compete with four athletes instead of five.
Miyata's coach cited intense pressure as a factor in her behavior.
The team had high hopes for their first Olympic medal since 1964.