Supplements are
a. only prescribed by a doctor.
b. required to show scientific evidence of effectiveness.
c. regulated and must be approved by the fda.
d. products such as vitamins, diet pills, protein powders, and others.

Describe in your own words three purposes of human services.

This is one popular brand of exercise machine

Mason joined the water polo team at his school. as part of his conditioning, mason's coach requires a 25-minute run during practice. mason's heart rate reaches 125 beats per minute, but his target heart rate zone is 138—183 beats per minute. what should mason do to get the most benefit for his heart? increase the amount of time he runs increase the speed at which he runs decrease the amount of time he runs decrease the speed at which he runs