Environmental Toxins
Chemicals in plastics and other products seem harmless, but mounting evidence links them to health problems — and Washington lacks the power to protect us
Fluoride
What It Is: A form of the basic element fluorine
Found In: Toothpaste, tap water
Health Hazards: Neurotoxic and potentially tumorigenic if swallowed; the American Dental Association advises that children under 2 not use fluoride toothpaste
What You Should Know: Government studies support current fluoride levels in tap water, but studies on long-term exposure and cancers are ongoing
See TIME's special report on the environment.
View the full list for "Environmental Toxins"Special Features:
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