[ExI] Radiation damage could stop manned trips to Mars

[Adrian Tymes]

On Oct 11, 2016 12:42 PM, "BillK" <pharos at gmail.com> wrote:
> Radiation damage is always measured by total dosage. The rate of
> dosage doesn't matter. e.g. Staff  working in nuclear power, medical
> labs, astronauts, etc.

http://www.nrc.gov/about-nrc/radiation/health-effects/info.html

The regulations measure dose per year.  Rate matters.  (Granted, there are
lifetime limits too...which would have to be recalibrated if multi-century
lifetimes became common, but serve for modern humans who, even in the
extreme cases such as hazmat workers, will likely only receive strong
exposure for a few decades.)
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