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Author Question: A charged particle moving within a static magnetic field A) will always experience a magnetic ... (Read 56 times) |
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.
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.
Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.