Sally has a desire to eat a steak with a baked potato smothered with butter and sour cream. one component of her personality tells her, because she is overweight, that instead of eating the meal, she should fast and direct her efforts to ending world hunger. another component suggests that it would be better to eat a salad and a bran muffin, then run two miles. the fasting suggestion most likely was made by which component of personality?

Which is a direct benefit of prohibiting nicotine and tabacco use in schools?

[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.

Which finger should not be used when measuring heart rate?