But this video reveals the seemingly harmless everyday things that are actually really bad for us too.
You may also be surprised to hear that popcorn bags are lined with perfluorooctanoic acid - a toxin you can find in Teflon. When heated, this chemical is known to cause infertility and cancer in lab animals.
And you can forget the idea that all fish is good for you - studies have shown that farmed salmon is a high risk cancer food, often contaminated with flame retardants, pesticides and antibiotics.
Is nothing safe anymore?