What is a possible consequence of abusing intravenous drugs such as heroin. A. Lung cancer
B. HIV transmission
C. Improved appetite
D. Alcohol poisoning

The williams twins are in your dental office for a routine checkup. mrs. williams informs you that they both eat the same quantity of sweets. however, jeanne eats her sweets all at once, whereas carol divides her sweets throughout the day. which of the twins is most likely to have tooth decay? why?

If the singular term ends in -us, the plural is usually formed by changing the ending to

[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.