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  1. #1
    The Baron's Avatar
    The Baron is offline Fourth Koala of the Apocalypse
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    Definition: "half-life"? No guessing, please.

    I am fixing to write a little prog that calculates, based on shot history, dosage, and halflife, the amount of a drug still in the body. This will not be some hokey little java applet that drops turds and cookies all over your puter... this will be a small DOS app that you download and keep, and run when you like, whether you are online or off. Anyway, I just need to verify just EXACTLY what is meant by "half-life". Is it that length of time that it takes for the body to eliminate half of the drug? That is the obvious answer, but is it technically correct? I need to know before I start writing code. Can I work under the assumption that if the subject injected 200mg of a drug 10 days ago and it has a half-life of 10 days, that he still has 100mg of it in his body? Is this too simplistic a view?

  2. #2
    Iowa's Avatar
    Iowa is offline Banned
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    The time required for half the quantity of a drug or other substance deposited in a living organism to be metabolized or eliminated by normal biological processes.

    I knew that biology degree was good for something.

  3. #3
    Scrub is offline Member
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    There is a good description on a half life here:
    http://www.steroid.com/halflife.php

  4. #4
    joevette's Avatar
    joevette is offline Banned
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    Quote Originally Posted by The Baron
    I am fixing to write a little prog that calculates, based on shot history, dosage, and halflife, the amount of a drug still in the body. This will not be some hokey little java applet that drops turds and cookies all over your puter... this will be a small DOS app that you download and keep, and run when you like, whether you are online or off. Anyway, I just need to verify just EXACTLY what is meant by "half-life". Is it that length of time that it takes for the body to eliminate half of the drug? That is the obvious answer, but is it technically correct? I need to know before I start writing code. Can I work under the assumption that if the subject injected 200mg of a drug 10 days ago and it has a half-life of 10 days, that he still has 100mg of it in his body? Is this too simplistic a view?
    Yep, you've got it. It's just the ammount of time it takes for the body to use up half of the product.

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