In case of an emergency, once you or someone already on the scene has contacted 911 what is the next thing to do

I know the steps to CPR are to check the area, ask if the person is okay while patting them, check to see if they are breathing, have someone call 911 and get the AED, remove clothing to show the bare chest, start compressions, then do your breaths, and continue until the emergency people come or someone who knows what they are doing can take over.

to prevent people from getting the ebola virus, countries around the world paid to doctors develop a new vaccine. now that the vaccine has been made, doctors will need to experiment on a large number of people to find out if it works safely.

what is the greatest limitation that scientists are dealing with as they try to figure out how to experiment with the ebola vaccine?

meditation is a practice of sitting still and quiet for minutes or even hours. it has been practiced for thousands of years and is even a part of religious practices for some people. carefully controlled, repeated measurements of brain activity have shown that meditation does increase certain chemicals in the brain and even grows the part of the brain that people connect with their current surroundings and activities.

are claims about the effects of meditation most likely scientific or pseudoscientific?

not pseudoscientific, because people have made claims about it but scientific observations have not been made

you need to provide the