Which aspects of this video would most likely appeal to those under the age of 21? Check all that apply. O the colorful party atmosphere the attractive people having fun the adults sitting quietly at tables the beach setting O the business attire of some customers O the excitement of making colorful drinks

Increasing muscular strength improve fitness true or false ? ?

[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.

Why is important to keep your health triangle balanced?