The branch of biology, chemistry, and medicine concerned with the study of the adverse effects of chemicals on living organisms.

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Is it possible for a substance to be absorbed by the hair or the scalp?

I've heard that the aplication of Monovin A in the hair would allow it to grow faster. Monovin A seems to be only A vitamin, according to the first website. Could the application of A vitamin in the ...
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0answers
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Is pure (100% H20, (near to no) solutes) water toxic to living organisms? [duplicate]

Possible Duplicate: Death because of distilled water consumption I know about the effects and myths about drinking distilled and/or deionized water. I'm not asking about such substances. I ...
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1answer
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Why is Hydrofluoric Acid so dangerous if its a weak acid?

I've read that Hydrofluoric acid (HF) is extremely dangerous to touch, but what exactly makes it so toxic? It's weak acid ($K_a = 7.2 \times 10^{–4}$) and dissociates approximately 1/1000 as much as ...
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How does the human body metabolize gasoline?

A Chinese man has been drinking gasoline to relieve his pain for 25 years. How does the human body metabolize gasoline? Also, what are the side-affects to gasoline?