65. The changes in the brain seen in marijuana users are similar to those seen in long-term alcohol users. c. first-time crack users.
b.
heroin users.
d. amphetamine users.

Adisruption of balance between oncotic pressure and hydrostatic is critical to regulating

Almost all states designate a group of professional as mandatory reporters of suspected child abuse or neglect. is it only school administration staff are included on nearly every list?

[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.