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Mythbusters: "No Pain, No Gain"

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Well it is the second to last episode for the season. The next one revisits two myths (Knock Your Socks Off and Compact Compact).
 
Well it is the second to last episode for the season. The next one revisits two myths (Knock Your Socks Off and Compact Compact).

For Mythbusters the "season" pretty much lasts all year long on and off. It's also possible there more episodes after next week's and just aren't listed yet. (I encounterd the same thing towards the end of last year.)
 
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Feh episode. Not much I want to really say about anything. Just that I'm dubious on the "cussing" thing as I fail to see how saying a "curse word" over a "normal word" would matter. I would think just venting one's anger in one way or another, no matter what they say, would be enough. I also want to say that being so strict the height of the tank is probably being a bit too precise to things. Whomever originated the story didn't have scales or other equipment around him to determine the height and could've just pulled a number out of the air. That the tank got 80 or so feet in the air should've been enough to say that someone might say "Hey! It got to 100 feet!"
 
^^ I was just happy they didn't give it BUSTED for the distance. They've been such sticklers on those details where people are being anecdotal, "50 feet", "100 feet", whatever.

Tory and Jamie go the distance for pain, no surprise. However, any myth I could reproduce in my home right now with about five minutes prep is not very compelling.

Did the swearing thing prove that swearing increases tolerance or repeated exposure? I'm pretty sure they all swore after first doing it with silly words.

Oh yeah, and Kari was cute in the hat.
 
Pain myths: An interesting set of experiments, though it hit a little close to home, since I'm in pretty severe pain lately thanks to sinus inflammation compressing a nerve.

I'd heard both the "X can tolerate more pain than Y" myths before, although I think what I read about redheads is that they're more sensitive to pain, not that they can't endure it as long. So they may have tested the wrong thing. The pain expert said that a couple of the tests, the capsaicin and electrical tests, I think, were for measuring sensitivity to pain, so maybe they should've tried those on the gingers vs. a control group of blondes and brunettes.

Okay, here we go:
A growing body of research shows that people with red hair need larger doses of anesthesia and often are resistant to local pain blockers like Novocaine....

Researchers believe redheads are more sensitive to pain because of a mutation in a gene that affects hair color. In people with brown, black and blond hair, the gene, for the melanocortin-1 receptor, produces melanin. But a mutation in the MC1R gene results in the production of a substance called pheomelanin that results in red hair and fair skin.

The MC1R gene belongs to a family of receptors that include pain receptors in the brain, and as a result, a mutation in the gene appears to influence the body’s sensitivity to pain. A 2004 study showed that redheads require, on average, about 20 percent more general anesthesia than people with dark hair or blond coloring. And in 2005, researchers found that redheads are more resistant to the effects of local anesthesia, such as the numbing drugs used by dentists.

So they definitely tested the wrong myth. It's not about endurance. True, one might think that being more sensitive to pain might reduce one's endurance; but, being pretty pain-sensitive myself, I've often thought that you get used to it after a while and thus learn to endure it longer. (I'm certainly finding that true of the nerve pain I've been in for the past few days. It's still quite unpleasant, but I've learned to roll with it and just keep doing what I'm doing. Still, I'm going to the doctor about it tomorrow.)

I wonder why they didn't use Kari for the redhead myth. Is her hair color not natural? (I'm refraining from the obvious wisecrack out of respect.)

The swearing result was interesting, and I liked Adam's "swear guard" gizmo, and his reason for it wasn't something that would've occurred to me.

...I'm dubious on the "cussing" thing as I fail to see how saying a "curse word" over a "normal word" would matter. I would think just venting one's anger in one way or another, no matter what they say, would be enough.

Apparently it isn't. There's something special psychologically about curse words. They engage different parts of the brain than normal vocabulary. To wit:
Steven Pinker, the language guru, cognitive scientist and bestselling author,... considers that words’ literal meanings (denotations) may be concentrated in the thinking part of the brain, the neocortex, especially in the left hemisphere. But their connotations are not just in the thinking area but linked to the amygdala, a primitive area of the brain that helps to give memories emotion. In scans of brain activity, the amygdala lights up when a person sees an angry face, or hears an unpleasant word such as a taboo swear word. These evoke emotional responses and even reading one causes the brain to do an involuntary boggle and pay attention. This is exploited by brands such as FCUK. And every time you use a swear word, you are, in effect, landing an emotional punch on the person who hears it.
...
Pinker tells me that the emotional flavour of words seems to be acquired in childhood, that’s why bilingual people swear best in their mother tongue. People with aphasia, which involves the loss of articulate speech, can still swear fluently. This suggests that swear words are stored as memorised chunks in the right side of the brain, which is more involved in emotion and which also stores other memorised chunks such as prayers.

The specific bits of the brain that have this task are the basal ganglia. Pinker cites the case of a man with damage to these, caused by a tumour, who was still able to speak fluently but not able to swear or to say prayers.

So yes, the expression of anger is cathartic, but it does make a difference which words you use to express it. Swear words are more directly associated with intense emotion, neurologically and contextually. So they're a more effective trigger for the release of that emotion than neutral words would be.

At the very least, consider that in the control tests, the subjects must surely have wanted to curse (as Tory illustrated), but were holding themselves back. That inhibition would've made it harder to release their stress.


Propane tank rocket: A variation on myths they've done before, but it's interesting to see the difference made by the type of tank used. I suspect the rounder shape of the tank may have made it harder to concentrate the forces in a vertical direction and made it more likely to burst in all directions. Also, apparently the design of the valve doesn't let them just guillotine it off like Adam and Jamie did with the compressed air tank, or else I figure they would've tried that.

Grant's idea about using a mostly empty tank was a good one, and it got them the results they were looking for, mostly. And the explosions looked pretty interesting in slow motion. Speaking of which, cute touch with the action-movie slow motion and speed ramping with the gang running away from the burning shed. But why did they do it that way? Why not rig some kind of remote ignition system they could set off from the bunker?


I also want to say that being so strict the height of the tank is probably being a bit too precise to things. Whomever originated the story didn't have scales or other equipment around him to determine the height and could've just pulled a number out of the air. That the tank got 80 or so feet in the air should've been enough to say that someone might say "Hey! It got to 100 feet!"

There might've been some nearby landmark -- a tall building, a tree -- that let them estimate the height. And it's pretty easy to tell the difference between 60 feet and 150, which is 2.5 times greater. That means it's unlikely that someone who saw a tank go 60 feet up would call it 150 feet, unless they were terrible at eyeball estimates.

On the other hand, the tank certainly flew pretty far sideways. If, by some fluke, it had stayed vertical longer, maybe it could've made it. They did give this one a "Plausible" finding, after all.
 
Did anyone else think Injecting Adam with Capsaicin seemed to be *ridiculously* over the top? That sounds like something you'd see in a horror film rather than a medical study. Or am I just squeamish about the thought of my skin burning from the inside out?
 
Did anyone else think Injecting Adam with Capsaicin seemed to be *ridiculously* over the top? That sounds like something you'd see in a horror film rather than a medical study. Or am I just squeamish about the thought of my skin burning from the inside out?

As they said, it's a real medical procedure used in pain research. It's painful but harmless. And I think I've read that capsaicin has possible applications as an anaesthetic.
 
Did anyone else think Injecting Adam with Capsaicin seemed to be *ridiculously* over the top? That sounds like something you'd see in a horror film rather than a medical study. Or am I just squeamish about the thought of my skin burning from the inside out?

You just have to hope it's bearable because you can't just pull away from it if it hurts. Maybe they could follow it up with a shot of milk? :)
 
sorry about the double post, I messed up my edit attempt


As they said, it's a real medical procedure used in pain research. It's painful but harmless. And I think I've read that capsaicin has possible applications as an anaesthetic.

Of course, they probably could have just asked the researchers about the effects on men and women and the like. I'd hope they'd have tried that at some point.
 
As they said, it's a real medical procedure used in pain research. It's painful but harmless. And I think I've read that capsaicin has possible applications as an anaesthetic.

Of course, they probably could have just asked the researchers about the effects on men and women and the like. I'd hope they'd have tried that at some point.
Or they could have used something simpler but just as effective, and a lot more fun. Like a whip, for instance. :devil:
 
Of course, they probably could have just asked the researchers about the effects on men and women and the like. I'd hope they'd have tried that at some point.

I'm sure they did, but this isn't a show about the hosts asking other people about their experiments, it's a show about the hosts performing the experiments themselves. Even when they already know the actual answer according to science, they still put it to the test because that's how the show demonstrates the idea to the audience. And it's how the show fills an hour of airtime.
 
^^ Yeah, I know, I'm still disappointed by sticking people's arms in ice water.

I do wonder what the complete times were, they said some people went the distance, I wonder how much averages were affected by a couple of wimps or not.
 
^Well, that's why you want a large sample size, so that a few outliers don't skew the results unduly. The swearing test used only five test subjects, so Grant's outlier result, an improvement of something like 68%, bumped up the average by a fair degree. But with 25 subjects in each of the other groups, the statistical impact of a few outliers wouldn't be as great and the results would be more reliable.
 
I have a big issue with the men vs women results. They saw the averages of 100 seconds to 84 and just said it was confirmed but didn't seem to run any statistical calculations to determine whether that difference was statistically significant.
 
I have a big issue with the men vs women results. They saw the averages of 100 seconds to 84 and just said it was confirmed but didn't seem to run any statistical calculations to determine whether that difference was statistically significant.

They don't show every single step of the process onscreen, particularly in the US version where it's further edited down because of commercials. I think past evidence shows that these guys know their math well enough to know how to calculate a standard deviation, and if the difference had been too small to be statistically meaningful, they probably would've said so.
 
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