Cameron learned that carrying more weight around the middle could put you at risk for certain conditions. she wants to use a body composition method to determine her body composition and also wants to know about weight distribution. which method would be best to determine all she needs to know?

a.

body mass index because it compares you to others

b.

waist to hip ratio because it is not specific but determine weight distribution

c.

an mri because it uses high speed electrical signals and body mass to determine body composition

d.

skin fold measurement because the calipers give you an exact calculation of how much fat is located in each area of the body

[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.

According to bowlby which of the following is not required in order for infants to form healthy attachments with their parents

Define and describe the different types of risk factors