许多研究表明，肥胖是我们社会的严重健康问题。实证分析往往忽视了许多方法论问题和对健康的相关影响。本文对忽视这些项目的估计来调查，以系统为不同的估计。根据德国社会经济专家组的数据，本研究源于以下结果。（1）重量和高度的许多组合导致相同的健康状况。（2）肥胖的人有一个明显更糟糕的健康状况。（3）假设必须拒绝，体重是对健康的外源性影响。（4）高收入有助于改善男性的健康，而期望和实际工作时间之间的偏差诱导负面影响。（5）兄弟姐妹的兄弟姐妹拥有和父亲的社会地位降低，更糟糕的是她的健康状况。（6）吸烟对健康不利，是一个知名的事实。 Especially for underweight individuals we detect the negative influence on health. Women are less affected. (7) A healthy diet strengthens the resilience for individuals who are not obese. (8) Long but not too long sleeping hours and sporting activities during youth contribute to a good health status. (9) Weight fluctuations induce negative effects on the health of women only. (10) Four of the big five components of personality, namely openness, extraversion, conscientiousness and agreeableness, contribute to resilience against health problems for underweight people.