Which of the following are effects of alcohol (check all that apply - you must check all of them to get the point, there are 6) *
Alcohol Hepatitis
Cirrhosis of the liver
Bronchitis
Impaired judgment
Emphysema
Impaired driving
Blackouts
Poor coordination
Option 9

Emotional signs of stress include aches and nausea

[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.

What is the only part of your body called that should touch the ball when setting in volleyball?