Caffeine!! - Bite Sci-zed

(youtube) How does caffeine turn a morning zombie into a functioning member of society?
hpqpjokingly says...

The only thing you need to know about coffee:


spoco2says...

Gee, that would have to be about the least efficient way to get a lot of caffeine into you. A few shots of straight coffee would work wonders, or some of those caffeine pills, or... well, pretty much anything but huge fucking tubs of sugary, watery crap with some caffeine in them.

Um, and you so fucking WOULD be able to drink 48 cups of coffee if each of those were just a shot. Stop thinking about coffee as coffee + lots of other liquid and it becomes much easier to consume large quantities.

Some good information here, but also some narrow views on how people consume their coffee.

And yes, I LOVE me some coffee, although I only have 2 double shot coffees a day, I do love them... am in the process of repairing a $700 coffee machine (bought cheap as it wasn't working) just so I can make better coffee at home

chingalerasays...

I know someones' got this girl beat and NO spoco, the fastest way according to anyone who ever had a colonic is to pump it up into yer ass-Fastest transfer of caffeine into the system anyhow...My friend did it with two quarts of Starbucks!

Another similar experiment involved wheat grass juice,an entire flat in one session. That one put her blood pressure to the test...

jimnmssays...

Caffeine is not a diuretic.

In the 10 studies reviewed, consumption of a caffeinated beverage resulted in 0 to 84 percent retention of the initial volume ingested, whereas consumption of water resulted in 0 to 81 percent retention.”

Another study, in the same journal in 2005, involved scientists following 59 active adults over 11 days while controlling their caffeine intake. They were given caffeine in capsule form on some days and on other days were given a placebo. Researchers found no significant differences in levels of excreted electrolytes or urine volume.
[source]

gharksays...

>> ^jimnms:

Caffeine is not a diuretic.

In the 10 studies reviewed, consumption of a caffeinated beverage resulted in 0 to 84 percent retention of the initial volume ingested, whereas consumption of water resulted in 0 to 81 percent retention.”
Another study, in the same journal in 2005, involved scientists following 59 active adults over 11 days while controlling their caffeine intake. They were given caffeine in capsule form on some days and on other days were given a placebo. Researchers found no significant differences in levels of excreted electrolytes or urine volume.
[source]



very interesting, I wonder where that fallacy came from.

harlequinnsays...

>> ^jimnms:

Caffeine is not a diuretic.

In the 10 studies reviewed, consumption of a caffeinated beverage resulted in 0 to 84 percent retention of the initial volume ingested, whereas consumption of water resulted in 0 to 81 percent retention.”
Another study, in the same journal in 2005, involved scientists following 59 active adults over 11 days while controlling their caffeine intake. They were given caffeine in capsule form on some days and on other days were given a placebo. Researchers found no significant differences in levels of excreted electrolytes or urine volume.
[source]



It is a diuretic if taken in sufficient quantities. This effect reduces over time.

http://onlinelibrary.wiley.com/doi/10.1046/j.1365-277X.2003.00477.x/abstract;jsessionid=2824623CA52C59B7D9744420B015EA2D.d01t01

"The available literature suggests that acute ingestion of caffeine in large doses (at least 250–300 mg, equivalent to the amount found in 2–3 cups of coffee or 5–8 cups of tea) results in a short-term stimulation of urine output in individuals who have been deprived of caffeine for a period of days or weeks. A profound tolerance to the diuretic and other effects of caffeine develops, however, and the actions are much diminished in individuals who regularly consume tea or coffee. Doses of caffeine equivalent to the amount normally found in standard servings of tea, coffee and carbonated soft drinks appear to have no diuretic action."

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