Fasting — refraining from eating for a period, either for religious, health, or medical reasons.
彼女は信仰のために一週間の断食を行った。
She fasted for a week for religious reasons.
医師の指示で手術前に断食が必要です。
Fasting is required before the operation as instructed by the doctor.
健康のために短期間の断食を試している人が増えている。
More people are trying short-term fasting for health reasons.