Dose

To safeguard public health, the US Environmental Protection Agency (EPA) must keep abreast of new scientific information and emerging technologies so that it can apply them to regulatory decision-making. For decades the agency has dealt with questions about what animal-testing data to use to make predictions about human health hazards, how to perform dose-response extrapolations, how to identify and protect susceptible subpopulations, and how to address uncertainties.

Christopher Barnett's catalogue of composed music covers the spectrum from scores for independent film, documentary to television and corporate campaigns. His.most recent music score credits include A Dose of Happiness (Доза щастие), the film adaptation of Bulgarian journalist, Vesela Toteva’s biography, 'Downfall and Salvation. Confessions of a former heroin addict’ and the ALS themed documentary, There's a Hole in My Bucket, narrated by Benedict Cumberbatch (Sherlock, Doctor Strange).

Everyday, we come into contact with many relatively harmless substances that could, at certain concentrations, be toxic. This applies not only to obvious candidates such as asbestos, lead, and gasoline, but also to compounds such as caffeine and headache tablets.