lifelong low-dose radiation may be good for you

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Rob Lister
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lifelong low-dose radiation may be good for you

Post by Rob Lister » Fri Mar 17, 2017 11:58 pm

It's just two related animal studies. There may be others of which I'm not aware.

tl;dr: Some radiation may be good for you. Statistically speaking, by studying the lifespan of folks living in high and low radiation background regions, it is certainly highly suggested ... but there may be confounders.

But it is good for dogs.
Abstract

After the 1956 radiation scare to stop weapons testing, studies focused on cancer induction by low-level radiation. Concern has shifted to protecting “radiation-sensitive individuals.” Since longevity is a measure of health impact, this analysis reexamined data to compare the effect of dose rate on the lifespans of short-lived (5% and 10% mortality) dogs and on the lifespans of dogs at 50% mortality. The data came from 2 large-scale studies. One exposed 10 groups to different γ dose rates; the other exposed 8 groups to different lung burdens of plutonium. Reexamination indicated that normalized lifespans increased more for short-lived dogs than for average dogs, when radiation was moderately above background. This was apparent by interpolating between the lifespans of nonirradiated dogs and exposed dogs. The optimum lifespan increase appeared at 50 mGy/y. The threshold for harm (decreased lifespan) was 700 mGy/y for 50% mortality dogs and 1100 mGy/y for short-lived dogs. For inhaled α-emitting particulates, longevity was remarkably increased for short-lived dogs below the threshold for harm. Short-lived dogs seem more radiosensitive than average dogs and they benefit more from low radiation. If dogs model humans, this evidence would support a change to radiation protection policy. Maintaining exposures “as low as reasonably achievable” (ALARA) appears questionable.
http://journals.sagepub.com/doi/full/10 ... 5817692903

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Re: lifelong low-dose radiation may be good for you

Post by corplinx » Sat Mar 18, 2017 4:08 am

Sign me up for that Radon spa!

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Re: lifelong low-dose radiation may be good for you

Post by Doctor X » Sat Mar 18, 2017 4:38 am

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Re: lifelong low-dose radiation may be good for you

Post by Rob Lister » Sat Mar 18, 2017 12:34 pm

corplinx wrote:Sign me up for that Radon spa!
Ironic remark. Read the summary.

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Re: lifelong low-dose radiation may be good for you

Post by sparks » Sat Mar 18, 2017 4:12 pm

It's distasteful and disgusting, but we have to know.
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