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Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

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Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

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Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

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The horizontal fraction bar was introduced by the Arabs.

Acromegaly in one individual from a pair of identical twins. Acromegaly in one individual from a pair of identical twins.
Firing Rate of Individual SCN Neurons in a Tissue Culture Color bars have been added to emphasize th Firing Rate of Individual SCN Neurons in a Tissue Culture Color bars have been added to emphasize th
Acute Stress, Glucocorticoid Level, Synaptic Plasticity, and Learning Acute Stress, Glucocorticoid Level, Synaptic Plasticity, and Learning
Prenatal Stress and Glucocorticoids in Adulthood Prenatal Stress and Glucocorticoids in Adulthood
Confining Pressure and Differential Stress Confining Pressure and Differential Stress
Overweight individual with acanthosis nigricans Overweight individual with acanthosis nigricans
Video: Hershey Chase Experiments

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