Which one of the following is not a cause of obesity? a.) overeating b.) insufficient exercise c.)genetics and hormonal disorders d.) type 2 diabetes

[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 of the following is the definition of ventilation as it relates to the respiratory system?

By signing the patient’s ehr with the digital signature, the provider certifies that all data and information in the patient ehr is: