Week 1 - Human Nutrition Flashcards
1
Q
What are the 6 periods of evolution?
A
Hunter Gatherer Period, Agricultural Revolution, Industrial Revolution, Scientific Revolution, Green Revolution, Global Food Economy and Globalisation
2
Q
Describe the Hunter Gatherer Period.
- 4 points
A
- Life expectancy = 25-30 years
- People lived in small groups and moved from place to
place in search of food - Derived much of their energy from plants
- Diets were minimally processed (wild plants/animals)
3
Q
Describe the Agricultural Revolution.
- 6 points
A
- Went from foraging to food production
- Domestication and control over plant and animal
reproduction - Selective breeding of wild species
- Population increase
- Less diverse diet increasing risk of famine
- Food preservation practices emerged
4
Q
Describe the Industrial Revolution.
- 4 points
A
- Initiation of food patters today
- Mass factories and mass production
- Urbanisation
- Reliance on staple foods (potato)
5
Q
Describe the Scientific Revolution.
- 3 points
A
- Occurred same time as IR
- Introduced food safety and regulation
- Food reservation techniques emerged
6
Q
Describe the Green Revolution.
- 3 points
A
- Introduction of chemical fertilisers and pesticides
- Processed and refined foods now make up more than
70% of the typical Western diet - Food staples displaced the traditional diet
7
Q
Describe the Global Food Economy and Globalisation Period.
- 3 points
A
- Improved transportation and communication
technologies - Wider distribution of food around the world
- Issues raised about sustainability of our global food
supply
8
Q
What are the key nutritional factors that have changed since our ancestors diet?
- 6 points
A
- Increase in GL
- Higher omega 6 fats and lower omega 3 fats
- Shift from protein based to refined carbs
- Decrease in micronutrient intake
- Increase in sodium, decrease in potassium
- Decrease in fibre
