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Since toxicology is a multidisciplinary science, the contributions and activities of toxicologists are widespread and diverse. Toxicologists are mainly concerned with the mechanisms of action of different agents as, we now know, all agents can lead to toxicity due to the exposure period and dose. However, for even the most known and oldest agents, the pathways or endogenous molecules they affect to create toxicity are still being investigated by scientists. As toxicologists, we also contribute to other scientific areas including medicine, physiology, and pharmacology while we receive the help from several branches of science. Toxicologists mainly recognize, identify, and quantify the hazards of foods, pharmaceuticals, workplace chemicals, household products, cosmetics, and personal care products along with toxins and venoms.
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Saga of early humans etched in DNA of mixed-species child

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Saga of early humans etched in DNA of mixed-species child

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Introductory Chapter: Medical Toxicology

Her mother was a Neanderthal, but her father was Denisovan, a distinct species of primitive human that also roamed the Eurasian continent 50, years ago, scientists reported Wednesday in the journal Nature. Nicknamed by Oxford University scientists, Denisova 11 -- her official name -- was at least 13 when she died, for reasons unknown. Denny's surprising pedigree was unlocked from a bone fragment unearthed in by Russian archeologists at the Denisova Cave in the Altai Mountains of Siberia.
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