According to the surgeon general's report, what is true about physical activity? a. it must be strenuous to achieve health benefits. b. health benefits are not achieved by increasing intensity of exercise. c. people can improve health by becoming moderately active. d. only athletes receive health benefits from physical activity.

the best answer among the following is

People can improve health by becoming moderately active.

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

is it multiple choice?