Disaster Prevention Day is observed on September 1 in Japan. A survey has identified concerns related to disasters. Lack of toilet access is a top concern, according to the survey.

Taiko Pharmaceutical Co. is involved in related efforts, as it is known for its gastrointestinal medication "Seirogan". The company is based in Osaka.

Further details about the survey and its findings are available from the source, providing more information on disaster concerns in Japan.