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The Culture of Coffee Drinkers
The Caffeinated and the Un-caffeinated
Morning commuters seem to fall into one of two categories:
- the Caffeinated: ready to take on the day—they're reading their morning papers, or checking email, or reading for pleasure.
- the Un-caffeinated: with bleary-eyed, they walk more slowly up the stairs and are more irritable when you hurry them along—or hurry by them.
We're taught to look for these traits in connection with coffee.
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Key Ideas
Coffee in moderation
Coffee was once believed to be a possible carcinogen. However, the evidence is consistent that coffee in moderation is associated with a lower risk of mortality.
Research found moderate ...
The way coffee is prepared matters
- Roasting reduces the number of chlorogenic acids, but other antioxidant compounds are formed.
- Instant coffee may not have the same health benefits.
- The oil in boiled coffee has cafestol and kahweol, compounds known to raise LDL, the bad cholesterol, and slightly lower HDL, the good cholesterol. However, the clinical significance of such small increases in cholesterol may be questionable.
Coffee and caffeine
- A typical 12-ounce serving of drip coffee has 200 milligrams of caffeine.
- Instant coffee has 140 milligrams of caffeine.
- Espresso has the highest concentration of caffeine, 70 milligrams per one-ounce shot, but is consumed in smaller quantities.
- Brewed decaf has caffeine too - about 8 milligrams.
- Some people have a genetic variant that slows their metabolism for caffeine and keeps them awake deep into the night.
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Key Ideas
Coffee is better in group tasks
A recent study found that if you have coffee before a conversation, it will actually make you focus better and feel better about the people you are talking to.
The ideal time to drink coffee
If you want to maximize the benefits of caffeine, you should have your first cup about four hours after you wake up.
You are naturally alert when you wake up because your cortisol levels are high. So drinking caffeine first thing is just going to make the drop even harder a few hours later.
Coffee has the potential to extend your lifespan
According to studies, coffee drinkers have a slightly lower risk of death over 10 years (10 to 15%) than those who don't drink it regularly.
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Key Ideas
The power of caffeine
Scientists determined that a person who is more sensitive to the bitter taste of caffeine drinks more coffee.
The stimulating effects of caffeine on the brain act as a kind of positive rein...
Genes and coffee
More research is needed to validate whether there is a causal link between genes and specific taste perceptions.
Scientists are planning to delve further into the relationship between taste perception and health - to evaluate if bitter taste genes have implications on disease risks.