Tobacco Flashcards
To which plant family does the tobaco plant (Nicotiana tabacum) belong?
The solanaceae family (tomato, pepper, etc.)
What fitness advantage does nicotine production provide for the plant?
It acts as a natural insecticide.
How does nicotine affect humans? What about insects? What kind of biomolecule is it?
An alkaloid with neurophysiological stimulating effects in both humans and insects.
What are some reasons why smoking could be considered a positive habit?
- Socially complex
- Many marketable forms
- Hunger suppressant
What are 5 reasons why smoking could be considered a negative habit?
- Increased risk of cancer
- Negative effect of circulation
- Costs of smoking borne by non-smokers
- Secondhand smoke effects
- Smells bad and gives terrible breath
What are the 4 main marketable forms of tobacco in order of invention?
- Pipe tobacco
- Snuff tobacco
- Cigarettes/cigars
- Chewing tobacco
How does tobacco act as a hunger suppressant?
By inhibiting lipoprotein lipases responsible for fat production.
What colonial nation is responsible for developing the various forms of marketable tobacco?
The Dutch.
What is considered to be the largest cash crop in the world?
Tobacco.
How many people are employed by the tobacco industry?
~ 100 million people.
What makes tobacco a more efficient cash crop than coffee or others?
Occupies a smaller portion of arable land.
Where in the world is the prevalence of smoking still on the rise? Is this a worldwide trend?
Africa and the Middle East. Worldwide trend because large increase in these areas offsets reduction in others.
How many smokers are there estimated to be in the world?
~1 billion.
What percentage of adults smoked in 1960? What about today?
1960: 65% of adults smoked
Today: <17% of adults smoke
How many cigarettes are consumed by the average smoker per year?
5000.