Who as a crush on someone here please tell me

[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.

Adam has been trying to work on expressing his anger in a calm manner, rather than screaming and yelling. his doctor recommended different breathing techniques to enhance his and express himself positively

Why would you want to know early on if a deadly disease runs in your family? knowing early will eliminate the disease knowing early will let you better manage stress knowing early can you prevent the disease knowing early can remind you that life is short