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6.2 Food Production and Nutrition (nutrition and malnutrition (to mantain…
6.2 Food Production and Nutrition
nutrition and malnutrition
to mantain good health we need
micro nutrients (vitamins)
macro nutrients (carbohydrates, proteins and fats
unable to buy or produce enough food to meet basic energy needs suffer from
under
nutrition
1 in 4 people in africa in undernourished
about 2 billion people suffer from a vitamin deficiency
people who can afford a diet that provides enough energy but low protein suffer
mal
nutrition
under and malnutrition affect peoples ability to perform daily tasks
malnutrition is also a first world problem
the poor can't afford meat, so they eat more carbohydrates that can provide more food for more people rather than meats
over nutrition
food energy intake> energy used
aka fat people
crop production
how to feed 9.8 billion people without causing harm to the environment?
meat
rangelands, pastures and feedlots
fish
fisheries and aquaculture
crops
produce grains
all of these have depleted becuase of disease, environment degradation and climate change
food security
poverty prevents people from having from growing or buying enough food, this prevents them from having food security
food security is daily access to nutritious food to live a healthy life style
obstacles to food security
war
corruption
bad weather/climate change
severe food shortages can result in famine
food deserts are where people are far away from where food is grown/raised
are loaded with fats, sugars and salt
convinient
cheaper
we depend on a variety of food soruces as an ecological insurance policy against changing environmental conditions