There are strong wishes to be slender not only in the western country but also in Japan. The young women's BMI doesn't show a normal distribution. Almost of that is under BMI 24.2 (normal). Obesity is not good for metabolic syndrome. But being too thin is not good for health especially motherhood. And that influences not only physical health but also mental health. It is thought young women's energies lose in eating or saving meals.

Self-administered questionnaire about wishes to be slender, eating behaviour and General Health Questionnaire were used. Objects were 180 adolescent women in the nutrition course (80) and nursing school (100).

About 95% or more of Japanese objects have wishes to be slender. Their physical BMI is about 20.7. But in order to estimate their wish to be slender, we asked three weights. One is the weight they think most healthy (we call “healthy weight”). The second is more beautiful (“beautiful weight”). The third is they actually aim to be (“aiming weight”).

In Japan general speaking physical weight is heaviest, the second is “healthy weight”, the third is “aiming weight” and lightest is “beautiful weight”. But some parts of them aim to be under BMI 17.5 (ICD-10 classified “Anorexia nervosa”). Weight order is now confusing.

The four BMI in Indonesian women are physical BMI is 19.7, healthy is 19.2, aiming is 19.1, beautiful is 18.9.

Compared to Japanese, Indonesian women's wishes are still sound. But taking precautions about health and eating behaviour is important.