Malnutrition is the lack of sufficient nutrients to maintain healthy body. It is a term used for medical condition caused by insufficient or improper diet.

Today most of the millions people are suffering from to maintain balanced diet. A recent study has revealed that the 50% of the childrens are suffering from the malnutrition.

The medical problems are getting due to malnutrition is called deficiency diseases. These diseases are getting due to the lack of proteins, vitamins, minerals and nutrients in food, these functions associated with in the most developing countries and undeveloped countries.

Survivors of Mauthausen: Gusen concentration camp after the liberation

According to the World Health Organization, hunger and malnutrition is the gravest single threat to the world's public health and malnutrition is by far the biggest contributor to child mortality, present in half of all cases.

Malnutrition continues to be world wide problem as of 2008, in most of the lesser developed countries.

The orange ribbon: An awareness ribbon for malnutrition.
Amartya Sen won a 1998 Nobel Prize in part for his work suggesting that famine is not typically the product of a lack of food; rather, famine may arise from problems in food distribution networks or from governmental policies in the developing world.

Malnutrition appears to increase activity and movement in many animals - for example an experiment on spiders showed increased activity and predation in starved spiders, resulting in larger weight gain. This pattern is seen in many animals, including humans while sleeping. It even occurs in rats with their cerebral cortex or stomachs completely removed.

Nowadays this disease is aware in children. So we should take care of children and to give them sufficient and proper food. So that we can control this disease.
The following countries had 5 million or more undernourished people -

India
212.0
China
150.0
Bangladesh
43.1
Indonesia
13.8
Kenya
9.7
Colombia
5.9

營養不良是指缺少維持身體健康所必需的營養物質。它是描述由于飲食缺乏及飲食不當導致的疾病狀態的術語。

現在數以百萬計的人無法保證飲食均衡。一項最近的調查顯示50％的兒童患有營養不良癥。

由營養不良造成的醫學問題稱作營養缺乏癥。這些疾病是由于蛋白質、維他命、礦物質及食物中的營養素的缺乏引發的。這種現象多發生于發展中國家及不發達國家。

營養不良的幸存者：解放后的古森集中營

根據世界衛生組織統計，饑餓及營養不良問題是世界上公眾健康最大的威脅，也是兒童死亡的最大誘因，占所有疾病的一半。

營養不良已成為2008年世界的主要問題，尤其是在不發達的國家。

桔絲帶：對營養不良認識的覺醒

阿馬蒂亞 森提出了饑荒不是單純的食物缺乏的產物，它更有可能是食物分配系統不良或某些發展國家政府政策造成的觀點，他的這一成就在一定程度上幫助他獲得了1998年的諾貝爾經濟學獎。

營養不良會使很多動物的活動及運動增加，例如一個蜘蛛的實驗顯示饑餓的蜘蛛活動及捕食的增加導致體重的大輻增加。這種現象在很多動物中都存在，包括人類在睡覺的時候。甚至被完全切除了大腦皮層或胃腸的老鼠也有這種現象。

如今兒童營養不良癥已被意識到。我們應照顧好兒童，使他們得到充足合理的食物。這樣我們就可以控制這種疾病。以下國家都有五百萬以上的人口患有營養不良癥：印度、中國、孟加拉國、印度尼西亞、肯尼亞、哥倫比亞。