There is no use of the neurotoxin Mercury (Hg) in the lighting process.

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Mercury is a potent neurotoxin, and it's especially dangerous for children and fetuses.

NPR: CFL Bulbs Have One Hitch: Toxic Mercury

These release vast quantities of neurotoxin and kill almost everything that comes near.

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The zombification process was made famous by anthropologist Wade Davis, who hypothesized that zombification is caused by a neurotoxin that can be found in local pufferfish.

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But the bulbs contain small amounts of mercury, a neurotoxin, and the companies and federal government haven't come up with effective ways to get Americans to recycle them.

NPR: CFL Bulbs Have One Hitch: Toxic Mercury

Mercury, as you know, is a very dangerous neurotoxin and those standards are very important to the health and welfare of American children and American citizens across the country.

WHITEHOUSE: Press Briefing

When the scientists injected the rats with a neurotoxin that blocks those acetylcholine-releasing nerves, however, the rats' brains continued to remember the licking time for each signal, suggesting the acetylcholine and basal forebrain weren't needed to maintain those associations.

MSN: Goggle-wearing rats show link between learning, rewards