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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

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Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

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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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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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The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Blue light is scattered more than other wavelengths by the gases in the atmosphere, giving the Earth Blue light is scattered more than other wavelengths by the gases in the atmosphere, giving the Earth
William Kentridge, History of the Main Complaint. William Kentridge, History of the Main Complaint.
The main avenue to the upward social mobility reviewed in the text has been higher education. The main avenue to the upward social mobility reviewed in the text has been higher education.
The dimensions of a typical bolt showing where sizes are measured. The dimensions of a typical bolt showing where sizes are measured.
Weather maps: Pictures of the atmosphere Weather maps: Pictures of the atmosphere
Earth Atmosphere Earth Atmosphere
Video: hGH (protein synthesis, growth and development)

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