DISORDERS OF NUTRITION
Malnutrition is a
health problem found in all developing countries like India. Under nutrition or
lack of adequate diet is a form of malnutrition which must widespread. The
causes of under nutrition are many and often interrelated.
Poverty resulting in
low purchasing power is one of the main causes of under nutrition because poor
families cannot buy adequate food for themselves.
In some communities,
especially in rural areas, nutritious food such as milk may not be available
throughout the year. Thus, sometimes even though families can afford to buy
nutritious food, non-availability may lead to malnutrition.
Ignorance of the
relation of foods to health is another reason for the prevalence of
malnutrition. For example, sometimes protein rich foods such as milk, eggs and
fish are not fed to the child on the assumption that they are harmful to the
child, even though the family may be producers of milk or catching fish
themselves.
Increasing urbanization
is another cause of malnutrition. A number of families flock from villages to
cities, hoping of find better means of livelihood. Often, living conditions for
such families are even worse than what they had in the villages. Overcrowding,
insanitary environmental conditions, poor hygiene, contaminated water supplies
are some of the problems encountered. In addition, not having enough food;
decreases resistance to infections, and exposes the family members to frequent
attacks of diarrhea and other diseases. This intensifies the problem because what
little food is consumed is not absorbed but lost.
In poor communities,
because both parents have to work to maintain the family, the children,
especially the younger ones, do not have
anybody to take care of them and feed them at regular intervals. Often, an
elder child, who may only be a few years older than the infant, is left to take
care of the young ones. Without supervision by adults, the children are not fed
properly and may develop symptoms of one or more deficiency diseases.
There is thus a vicious
circle which encompasses poverty, ignorance, poor housing, disease and
infection and unless this is broken by improving the economic condition of the
low socio-economic groups. Malnourishment of a huge sector of the population of
the world cannot be eradicated. There is a close relationship between health,
economics and social progress. It shows how poverty engenders disease which in
turn engenders more poverty.
Foods contain a number
of nutrients. When sufficient quantities of the right type of foods are not
eaten, many essential nutrients are not available in adequate quantities to the
body. This leads to the development of several deficiency diseases. Some of the
common deficiency diseases found are protein energy malnutrition (PEM), vitamin
A deficiency, anemia due to lack or poor absorption of iron, and vitamin B
complex deficiency.
Protein Energy Malnutrition: Protein energy malnutrition or protein calorie malnutrition is the name given to various degrees of nutritional
disorders caused by inadequate quantities of protein and energy in the diet.
This is one of the most widespread deficiency disease in India and covers
abroad spectrum ranging from marginal deficiency with loss of weight and poor
growth to a severe deficiency in which the body may have developed edema or may
have wasted away. Such deficiency occurs mainly in children below five years of
age, when they are weaned from mother’s milk and the diet substituted does not
supply sufficient protein and energy or protein only. When such lack has been
prevalent for a long time in the community, the parents’ may fail to note the
low weight and stunted growth of the children.
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