Long-term risks of smoking include select all that apply a) bad breath b)lung cancer c) emphysema d) cardiovascular disease

Some friends want to a teen who is dealing with distress. what should they do to provide support? tell the teen to ignore the stress. offer the teen a new perspective. reinforce all the teen’s ideas. laugh off the teen’s problems.

Which of the following statemens is not true about the consequences of alcohol?

[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.