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Health, 22.06.2019 15:20
[120 total points] (public health) in one of the largest human experiments ever conducted, in 1954 a randomized controlled trial was run to see whether a vaccine developed by a doctor named jonas salk was effective in preventing paralytic polio. a total of 401,974 children (ages 6–9), chosen to be representative of those who might be susceptible to the disease, were randomized to two groups: 200,745 children (the control group c) were injected with a harmless saline solution (a placebo) and the other 201,229 children (the treatment group t) were injected with salk’s vaccine.what was the point of giving saline solution to the children who didn’t get the vaccine? explain briefly.
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Health, 23.06.2019 07:00
Blank is a disease in which the body is unable to make eunough of the hormone insulin to breakdown sugar into energy
Answers: 1
Health, 23.06.2019 09:30
How does the way a persons brain function affect their mental health?
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What item would you consider a health conscious protein, carbs, or fat...
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