Effluvium

(ĭ-flo͞oˈvē-əm)
noun pl. effluvia ef·flu·vi·a (-vē-ə) or ef·flu·vi·ums
A usually invisible emanation or exhalation, as of vapor or gas.
a. A byproduct or residue; waste.
b. The odorous fumes given off by waste or decaying matter.
An impalpable emanation; an aura.

I think perhaps that a poisonous effluvium is emitted from the luminous substance.
The most common causes of telogen effluvium are: Physical stress: surgery, illness, anemia, rapid weight change.
For two decades Pakistani society has been poisoned by the effluvia from the US-backed holy war against the Soviets in Afghanistan.
The mineral mixture he had wrapped in thin platinum foil, which blocks Hodges ` corpuscular effluvia apparently.
There are two different types of alopecia, medically known as anagen effluvium and Telogen effluvium.

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