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The Pacific Ocean Is Polluted With Coffee
An anonymous reader writes in with this excerpt from Inhabitat:"People aren't the only ones getting a jolt from caffeine these days; in a new study published in Marine Pollution Bulletin, scientists found elevated concentrations of caffeine in the Pacific Ocean in areas off the coast of Oregon. With all those coffee drinkers in the Pacific Northwest, it should be no surprise that human waste containing caffeine would ultimately make its way through municipal water systems and out to sea – but how will the presence of caffeine in our oceans affect human health and natural ecosystems?"
Caffeinated sushi. *drool*
Neither the summary nor the linked article said the amounts, but they are listed in the original paper. In the ocean, they found 44.7 ng/L. "Caffeine concentrations in rivers and estuaries draining to the coast measured up to 152.2 ng/L." For those who like their numbers in ppm, I believe that's .0447 ppm and .1522 ppm, respectively. Sometimes I fail at math, though.
"First they came for the slanderers and i said nothing."
that human coffe/tea consumption and pee will have an effect on the world's oceans.
Other human activities, yes, definitely. But not this.
While this is not surprising and questionably news, I am a little more worried about the years and years of synthetic, biologically active drugs in the water. Birth control hormones don't exactly just disappear after you swallow them, and I know that they and other classes of petroleum based drugs have shown hormonal activity not only in mammals, but amphibians, fish, and birds. Though a world with huge breasted marine mammals would be cool, I am more concerned about the chemicals other than coffee that are following the same pathways and reaching the entire world. Miles deep into the ocean, thousands of miles through the atmosphere, there is really no where on the planet that has not been affected in at least a minor way by the expansion of human industry.
Koalas. They're telepathic. Plus, they control the weather. -Margaret
Wiki says
Caffeine is metabolized in the liver by the cytochrome P450 oxidase enzyme system (to be specific, the 1A2 isozyme) into three metabolic dimethylxanthines. Further, In healthy adults, caffeine's half-life has been measured with a range of results. Some measures get 4.9 hours, and others are at around 6 hours.
Therefore, it seems unlikely that the source of caffeine in the ocean is from human waste, since the time spent in the gut exceeds the half-life of caffeine, and when metabolized, its no longer caffeine. There is of course still some small remaining un-metabolized caffeine in urine. A liter of espresso may contain as much as 2254 milligrams of caffeine. But when filtered through a human gut 5 to 10 milligrams/liter in urine is unusual, and 15mg/l gets you bounced from most sports programs as a sign of abuse.
It seems far more likely that the coffee poured out by restaurants, offices, and households, and the disposed of grounds being used for compost and gardening are a larger source than what comes out in the urine stream. Also the water Decaffeination processes is the source of the excess caffeine in city sewage, even though caffeine thus recovered can be marketed into the soft drink business, not all small operations bother with that.
Quoting the first linked source:
Caffeine occurrence and concentrations in seawater did not correspond with pollution threats from population density and point and non-point sources, but did correspond with storm event occurrence.
So it seems to me that the caffeine is just as likely entirely natural, perhaps produced in very low quantities by some naturally occurring plants in the predominantly coniferous temperate rain forests of the area, rather than by any human activity or byproduct. Such a low production would leach out into streams and rivers during storms, but not from municipal sewers, and hence would not correspond to population density.
Sig Battery depleted. Reverting to safe mode.
Junkies.
So that's why the dolphins are talking so fast. I can't even understand them.
Maybe the caffeine is getting some extra kick from some Japanese cesium.
*TWITCH!*TWITCH*
I'd like to swim upstream and spawn, but the last time I tried it, I wound up in Lake Erie! Eww! And MAN is the wind cold at supersonic speeds!
It took me almost a week to swim home! It would have happened faster, but I ran out of caffeine two-days from home. Hawaii was nice though.
Now where was I?
Oh yeah.
WE'RE VERY AWAKE DOWN HERE GUYS!
Chas - The one, the only.
THANK GOD!!!
I think there's a better chance of you being modded "What the fuck are you talking about?"
I know it has a few health benefits, but it's just too bitter.
One benefit is making you think "bitter" is tasty. The second, and more important one, is the prevention of lack-of-coffee headaches.
Translation:
I know I'll probably get modded troll for this but good luck separating [people I'm the opposite of, and hold distain for] in [state below the states being written about] from [place I heard is attached to the object in the issue].
Personally I've never [insert way of using the object in question]. I know it has [something obvious about nearly everything], but [insert something only vaguely related to the object in question].
-- This space for lease, low setup fee, inquire within!
Not buying it.
An 8 oz cup of coffee is 236.5 ml and has 49mg of caffeine. Assume the entire thing was thrown away undrunk at all. The population of portland is about 600k. If we assume that everyone in portland throws away one full cup of coffee every day for 100 years and that every drop ends up in the ocean, that's 21.9b cups of coffee or approx 1 billion grams of caffeine.
100 years is plenty of time to diffuse. Its also plenty of times for caffeine to break down but less assume this were magic caffeine and so lasted the 100 years perfectly intact. Since they say the pacific ocean lets say none of it leaves the pacific for the other oceans. The pacific ocean is 7.721473366 × 10^21 liters. So cross multiplying (7.721473366 × 10^21× ) x (.049 g) / (.2365 l) us that that we are 1.6x10^20 grams so your billion grams falls 1.6x10^11 short. OK well lets assume that in addition to not breaking down it also doesn't diffuse. The Pacific is 361.1m kilometers in area. So lets assume that all the coffee hangs out for the entire century in the 2 kilometers nearest Portland, we still are short by 3 full orders of magnitude.
There is no way a bunch of 600k humans use enough coffee for the ocean to notice.
Caffeine in the water? This should be a wake up call!
"National Security is the chief cause of national insecurity." - Celine's First Law
The worst we'll probably see is mackerel that can outrun fishing trawlers.
Good for them I say.
There are chemicals that can kill fish at 3 parts per billion. There are other things like salt that don't bother them as much, but it's really variable.
However, as other people have pointed out, there are lots of other chemicals getting dumped into the water system, including things like cocaine and prozac that have been processed through humans first. With caffeine, humans metabolize it so you wouldn't get much left, but there's all the caffeine in coffee grounds and waste coffee and soda.
And it is Portland.
Bill Stewart
New Fast-Compression-only CPR http://preview.tinyurl.com/dy575ks
First, you're off by a factor of thousand, so it'd really be sixty thousand tons, not sixty million tons.
Second -- this was the higherst concentration they found, in one small area of the ocean -- they are *not* saying the entire ocean has that much coffeine in it, indeed they sampled other places and found nothing (i.e. the concentration was below their limit of detection)
Imagine now, how nervous are these sharks with lasers.
Achille Talon
Hop!
Tea contains tanin, which blocks the absorption of caffeine. This typically means that you get an immediate caffeine kick from coffee, which then wears off, while tea gives you a slower release of a smaller amount over a period of a few hours. Add to that, after regular consumption you build up a tolerance for caffeine and so won't experience any effects (other than withdrawal if you stop having any), but if you regularly drink tea then you won't be used to the sudden jump in caffeine levels. Oh, and much of the effect of caffeine is psychological. A study a few years ago found that people who unknowingly drink decaf also exhibit the symptoms that they expect from coffee, right up until the point that withdrawal kicks in (and, in some people, the withdrawal is so mild that they don't notice).
I am TheRaven on Soylent News
While tea does contain tanin so does coffee. A more common reason as to why you can do this is either you're drinking a fruit /mint tea that has little to no caffeine, or more likely, your body is conditioned for coffee so that when you smell coffee and taste it your brain behaves as though it's just waking up even if there's not a lot of caffine in the cup. An example of this was a study (in england around 2011 if my memory serves) that had people drink regular coffee and decaf and then tested focus and reaction time. The people drinking decaf who were told they were drinking caffeine actually did better than the caffeinated people on (I think just on) reaction time.
The brain is an annoyingly inconvenient trickster sometimes.
Imagine now, how nervous are these sharks with lasers.
Stop it. Now.
Admit nothing. Deny Everything. Make Counter-accusations.
Headache/bad headache != migraine headache. I wish people would really stop saying they get migraine headaches all the time. A migraine head ache is one that is at least 3 days long. Unless your headache was at least that long, it was not a migraine. Also usually migraine sufferers have other issues like not seeing too well, super sensitivity to light, sound, or smell. Could be taste but I never met anyone who had that. They also can vomit or have diarrhea or both at the same time from a migraine. I watched a family member have migraines for years. The many trips to the hospital, and that little pill that messed her up as much as the migraine. When you have a headache where the world is vibrating due to your eye sight being affected from the headache for 3-4 weeks, we'll talk. The one day migraine is BS. That is a headache, not a migraine headache.
Caffeine increases the blood flow. Increase blood flow helps with regular headaches. Not migraines. The doctors had me pumped full of caffeine during one test. I was talking 2-3 times as fast. That tape was funny. Did nothing for the headache I had at the time. For other headaches, caffeine works well. Why do you think Excedrin works well for regular headaches.
Another observation: If you actually do get migraines often, see if something near the head or neck is out of alignment or pinched. Most of the heavy migraine sufferers I know had a pinched nerve, out of alignment neck or jaw. Getting those fixed helped slow the frequency of migraines dramatically. Mine issue was my jaw. A tooth came in that hit my lower jaw. That made my jaw not line up correctly. It was off by just a little. Had the tooth taken out. Now I have a few headaches a year instead of a few weeks of no headaches a year.