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In 1864, the first barbiturate (barbituric acid) was synthesized.

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Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

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Cyanide works by making the human body unable to use oxygen.

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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

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Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Lower extremity blood pressure cuff Lower extremity blood pressure cuff
Stethoscope over brachial artery Stethoscope over brachial artery
In the summer of 1793, a yellow fever epidemic struck Philadelphia, killing nearly 4,000. Tens of th In the summer of 1793, a yellow fever epidemic struck Philadelphia, killing nearly 4,000. Tens of th
Broadening effleurage to lower leg. Place heels of the hands together over tibia (no pressure over ... Broadening effleurage to lower leg. Place heels of the hands together over tibia (no pressure over ...
Anterior & Posterior View of Lower Limb (Extremity) Anterior & Posterior View of Lower Limb (Extremity)
Video: New DNA Strand Replication

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