D) By building self-respect in people suffering from undernutrition.

通过在营养不良的人群中建立自尊。

In women, undernutrition often shuts down the menstrual cycle as the body tries to reduce energy expenditure.

对于女性来说，营养不良往往会使月经周期停止，因为身体试图减少能量消耗。

He says this can lead to double dilemma of obesity and undernutrition.

他说，这可能导致肥胖和营养不良的双重困境。

In 2019, South Africa was ranked as the most effective government in the world for its commitment to tackling hunger and undernutrition by the Hunger and Nutrition Commitment Index.

2019年，饥饿和营养承诺指数将南非评为世界上解决饥饿和营养不足问题的最有成效的政府。