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In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

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Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

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Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

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Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

X-ray showing typical joint changes associated with osteoarthritis. X-ray showing typical joint changes associated with osteoarthritis.
Sex-Typical Toy Choices Sex-Typical Toy Choices
A typical fire extinguisher designed to be used on class A, B, or C fires. A typical fire extinguisher designed to be used on class A, B, or C fires.
Typical Sandwich Bar Typical Sandwich Bar
A Typical aa Flow A Typical aa Flow
Mass spectrometry (MS) patterns for a trypsin-digested peptide sequence Mass spectrometry (MS) patterns for a trypsin-digested peptide sequence
Video: Stroke volume - preload, sarcomere length and Frank -Starling law

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