05-18-2006, 01:29 PM | #23 | |
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The old way of thinking was that diarrhea was good in that it "flushed the toxins from the body." This is not entirely true. However, when people try to kill themselves by ingesting all sorts of interesting things, we sometimes do try to induce vomiting if that is appropriate. In other cases, we simply insert a tube to wash the stomach out, give charcoal to deactivate the toxin(s) or andidote, depending on what was consumed. Sometimes nausea and vomiting are symptoms associated with a viral stomach/intestinal flu (gastroenteritis) and vomiting does more harm than good without ridding the body of any toxins. For this reason, medicines like Compazine, Inapsine, phenergan work on the stabilizing the part of the brain that "tells" the body to throw up. |
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05-18-2006, 02:52 PM | #25 |
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damn, these are VERY interesting posts, Dr. K (the name is catchy TYW! ) and Squawks! your discussions definitely brought a lot of light into subjects of our bodies' "self-cleansing" capabilities.
so are you saying that when i get drunk, get a horrible hang-over and vomit all next day, that is actually harmful to my body? i always thought of it necessary evil that will take everything out of my system, good or bad, just to get rid of the bad in hopes of replenishing the good later. from what you've said, it seems like you don't really get rid of the toxins anyway, is that true?
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05-18-2006, 02:56 PM | #26 |
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In case of getting drunk yup, you'd vomit some alcohol out.
Sometimes you vomit for no reason like when there's noisome gases/vapors that are toxic as Dr. K mentioned as nausea. You'd throw up but that vomiting would do nothing to remedy the problem. I was quite surprised that ksfrog is an MD. For the many months I've been on this site, ks has been talking in depth primarily about cars (especially about Supras)!
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05-18-2006, 02:56 PM | #27 |
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also, Dr. K , to elaborate more on the sneezing issue, when i feel that itching in my nose just before i sneeze, this is when blood vessels release liquid? what triggers the actual sneeze?
yeah, i know the pressing the middle of your upper lip under the nose trick. it only works with lighter sneezes though.
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05-18-2006, 02:58 PM | #28 |
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Another interesting thing is that when you sneeze, your heart stops beating for fractions of millisecond.
Besides dieing, sneezing is the only other moment where your heart would ever stop beating in its entire lifetime.
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05-18-2006, 03:48 PM | #29 | |
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vlad, you think like a doctor, because you want to know exactly what causes the sneeze to happen. i commend u for that. i always strive to know how something works. sometimes in medicine, we know certain treatments work, but don't know the exact mechanism--then we rely more on evidenced-based results. i'm not an ENT doctor, though i believe we have an e90post member who is one, nor am i a neurologist, but i believe that there is some evidence that there is a neuro reflex mechanism responsible for inducing a sneeze. have you ever heard of someone who can induce a sneeze by staring into the direct sun (i'm not telling u to do this)? this is known as a photic sneeze theorized to be from overstimulation of the trigeminal nerve. i imagine there are sensory neurons in the nose that detect something is not normal, the signal gets sent to the central nervous system via afferent nerves, which stimulates the sneeze reflex. when you touch something hot (not talking about your girlfriend, vlad), but say a piece of metal that you don't realize is hot, your hand will retract quicker than your brain can tell you what actually happened. That's an example of a reflex response. |
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05-19-2006, 09:18 AM | #30 | |
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05-19-2006, 09:31 AM | #31 | |
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anyway, i did take biology courses back in high school some time ago where we learnt about all kinds of reflexes and i remember our teacher giving us the exact same example. it truly is very fascinating. i remember one french cartoon loosely translated to "there once was one life" that gave all particles in human body a character and basically told a tale of a red blood cell from a child's birth till it aged and died. they showed exactly what you were talking about before how blood cells recycle and what happens to them after they become inept. i remember when the child got an infection they showed all bacteria as bad guys killing the good guys and then the kid got a shot of anti-biotics and they were all dressed in superhero uniforms and killed all the bad guys and the kid recovered. it was really cool.
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05-19-2006, 12:47 PM | #32 |
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Another interesting thing - this time of the heart, is that if you were to isolate many single cells of the heart, you can see that each cell beats on its on, usually within defined intervals, under a microscope. The cells basically twitch and dilate/constrict a little each time they beat.
The interesting thing is that when you have two of these cells that are beating at different rates and/or intervals and push them together so that they touch, both of the cells will pause their beating and then resume a synchronized beating together. Quite fascinating - I wonder how recent the symbol of a heart has been used to primarly indicate love because of this.
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05-19-2006, 01:08 PM | #33 | |
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As far as the heart being a love symbol, many people do manifest with chest pain, palpitations, and the like when they are heart broken. Wouldn't surprise me if that had something to do with the origins of this as a symbol of love. |
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05-19-2006, 02:16 PM | #34 | |
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EDIT: Quite interesting indeed if deep grief can lead to heart defects like palpitations.
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