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Did you know?

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

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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

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The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

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Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

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Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

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Video: Cognitive development by Piaget (Preoperational stage or intelligence)

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