Exposure to chemicals in foods
Much is unknown about the synergistic effects of exposure to multiple chemicals.
Back in the 16th century, when Paracelsus noted that "the dose makes the poison", he provided the basis for modern toxicology.
Everything — including essential life-giving oxygen and water — causes problems in excess. Conversely, substances that are toxic in high doses may not cause problems in small quantities.
Definitions of ‘excess' or ‘small' will vary according to the substance, the species and among individuals.
Those who are scientifically trained will