Health, 09.04.2021 02:40 grayfaith16
How a positive personal life style plan may promote meaningless of life
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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, 24.06.2019 18:30
Tiny holes in the shell of a reptile’s egg allow the embryo to get rid of a waste gas called glucose.
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Health, 24.06.2019 23:00
Ahumans most rapid growth both physically and mentally occurs between and years old
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Health, 24.06.2019 23:00
Carlos wants to participate in a physical activity that will best improve heart function what type of activity should he choose
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How a positive personal life style plan may promote meaningless of life...
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