The 58 minute documentary was made for the lay person but is fully referenced and appropriate for all levels of knowledge. No amount of mercury is safe in the body. The use of mercury-releasing dental amalgam has been supported by the dental industry for over 150 years without any references to support their claims of safety. Mercury absorption from dental amalgam is 10 times greater than all other sources combined. There is no safe level of mercury. Mercury can affect human health. Why does the dental profession deny the dangers of mercury from amalgam? How does mercury affect your health? Although the dental associations proclaim its safety, there are other official positions that describe its danger. On January 7, 2003 the Superior Court in San Francisco approved the warnings on dental amalgam mercury that are required under California’s Prop 65. After Arsenic and Lead, Mercury is the third most toxic substance.