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There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

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More than 4.4billion prescriptions were dispensed within the United States in 2016.

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Medication errors are three times higher among children and infants than with adults.

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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

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There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Artist's rendition of the view from a hypothetical airless planet orbiting Alpha Centauri A Artist's rendition of the view from a hypothetical airless planet orbiting Alpha Centauri A
Thorax: Posterior View Thorax: Posterior View
The heart: interior view of the heart chambers. The heart: interior view of the heart chambers.
Cutaway view of a typical alternator. Cutaway view of a typical alternator.
The brain, spinal cord, and spinal nerves. An expanded view of the spinal cord is shown. The brain, spinal cord, and spinal nerves. An expanded view of the spinal cord is shown.
Video: Genetic distance between human groups

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