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?

these are common warning signs of overtraining syndrome:

washed-out feeling, tired, drained, lack of energy

mild leg soreness, general aches, and pains

pain in muscles and joints

sudden drop in performance

insomnia

headaches

decreased immunity (increased number of colds, and sore throats)

decrease in training capacity/intensity

moodiness and irritability

depression

loss of enthusiasm for the sport

decreased appetite

increased incidence of injuries.

a compulsive need to exercise

answer; the above statement is (true);