I don’t think so. An incandescent light bulb is composed of a filament (tungsten), a glass casing, which is filled with an inert gas (argon), a base, and wires. While tungsten has been shown to have some adverse effects on humans and animals, these are relaively minor, and the small amount of tungsten used in a light bulb makes them irrelevant. Argon is also harmless, unless it is found in such high volumes that it crowds out oxygen.
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