True or False?

In our new series, NSF’s toxicology expert Dr. Joe Dever discusses risks and debunks myths associated with chemicals we encounter every day.

Watch these 2-minute videos to learn more about some of the chemicals in our day-to-day lives.

Are Parabens Safe?

It’s not uncommon to see the claim “paraben-free” on cosmetic products. But are parabens bad for your health? What does the science say about their safety?

Are PFAS Bad for the Environment?

PFAS, also known as per- or polyfluoroalkyl substances, have been used for their heat, water and grease properties. But the chemical properties that make PFAS useful also have a downside.

Is Botulinum Toxin Unsafe at Any Dose?

Botulinum toxin is one of the most potent toxins on the planet. Just a grain of sand of this toxin can be lethal. But is there more to the story of this fascinating chemical?

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