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6.2 food production-nutrition and types of agriculture (nutrition/lack of…
6.2 food production-nutrition and types of agriculture
nutrition/lack of nutrition
good health/resist disease
macronutrients
carbohydrates
proteins
fats
micronutrients
vitamins (A,B,C,E)
2billion ppl suffer of deficiency
minerals
iron
deficiency=anemia
fatigue
infection
hemorrhage
iodine
thyroid gland
hormones=metabolism rate
dficiency
stunted growth
mental retardation
goiter
calcium
zinc
undernutrition
chronic, hunger, starvation
Africa: 2x countries than in 1992
1/4 in sahara desert=undernourished
6 kids/min due
poverty cycle
malnutrition
can afford diet, but w low protein/nutrients, high carbohydrate, vegetarian, wheat, rice, corn
800million under/malnourished ppl
cycle of poverty
food security:daily access to nutritious food
corruption
bad weather
droguht
flooding
heat waves
climate change
famine
causes
crop failures
flooding
war
result
mass starvation
death
economic chaos
social disruption
first world probs
food deserts:far from food raised
cheaper alternatives
sugar
salt
fats
overnutrition: food energy intake>use
excess body fat
calories>exercise
probs
lower life expectancy
greater susceptiility to disease
lower productivity/life quality
how is food produced?
croplands
grains
rice
wheat
corn
rangelands, pastures, feedlots
meat products
fisheries/aquaculture
fish
shellfish
lack of food diversity