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discovery of microbesthe discovery of microbes and the fact that they cause infectious diseases is one of the greatadvances in science which has
infectious diseasessome of you may have heard about the great bubonic plague a fatal disease of the blood spread by fleas and respiratory
diseaseall of us at one time or another have suffered from fever aches vomiting nausea diarrhoea flu cold general weaknessetc illness can arise
marasmusthis is caused due to the severe deficiency of both proteins and calories in the diet nutritional surveys among pre-school 1 to 5 years
kwashiorkarthis disease was first recognised in 1935 in african children and it is named from two words of an african dialect meaning
diseases due to protein-calorie malnutridonthe developing countries of the world today are faced with diseases due to protein-calorie malnutrition
malnutrition and ill healthare you familiar with the term malnutrition malnutrition means either lack of sufficient food or imbalance of nutrients
adulteration of foodwe live in a society where some times foods and even medicines are sold in an adulterated form by mixing it with other
food allergiesfood allergies are different from food fads certain fds seem to have strange reactions on some people probably you have come
food fadsyou may have picked up the idea from your family or friends that certain combinations of food can be dangerous for your
dietary requirement during fever and infectionduring fever there is a break down of tissue proteins and water and salts are lost the bmr
food as fuel for the body machinebody requires food for internal as well as external activities and for growth another way of looking at this
mineralsour bones and teeth contain large amounts of calcium an adult has a total of about 1 kg of calcium and a baby has about 30g in their bones
essential nutrientsour body is a biochemical factory which can make many compounds for its needs however there are limits to this and what our
minerals and vltaminsminerals and vltamins are not a source of energy but they are necessary in many of the steps involved in the release of
importance of nutritionwe cannot live without food our hunger can be satisfied by any kind of meal but to remain healthy and free of disease
biotechnology in agricultureproduction of enough food to meet the demands of an ever-increasing population in the world is a major task and a
monitoring of resource utilisationcontinuous recording of the changes in the quality and quantity of variousresources is as imyortant an
management of water resources managementmanagement of water resources management of water resources means a programme to provide an adequate
management of forest resourcesconsidering the ever growing demand of wood and realising the importance of conserving our forest resources it has
treatment of soil sickness due to overuse without rest soil becomes deficient in the requisite nutrients and loses its fertility rotation of
land use planning and managementpeople see land everywhere and get an impression that plenty of it is available besides they do not care
solid wastesolid waste in some cases can be a resource a good example is the factory at yokohama in japan which is engaged in converting waste
recycling of used resources and wastesome of the materials once used need not go waste these can be re-used the process through which the
minerals minerals like coal iron copper steel etc are used in all kinds of industries and in every-day life the rate of consumption of minerals