I NEED HELP ASAP 7.exercise the brain to learn_.
8. what is BDNF compared to?
9. what purpose of BDNF in the brain?
10. how many minutes of aerobic exercise is needed daily to increase BDNF in the brain?
11. what does the act of movement signal to the brain?
12. what main chemical is increased through exercise?
13. what chemical does stress increase in the body?
14. what does that chemical do to the body.how does it affect the body?
15: when is a good time to exercise to decrease feeling and effects of stress?

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

answer188 to 210 calories;