18. using carbo-loading to increase the store of glycogen seems to benefit only those athletes who engage in aerobic activities that are
a. more than 90 minutes.
b. between 50 and 80 minutes.
c. between 30 and 60 minutes.
d. less than 20 minutes.

Are needed by the body in large amounts in order to maintain good health

In one paragraph, explain how technology has influenced the perception of body image and weight management in both negative and positive ways. use supporting details in the form of facts, statistics, and examples. in another paragraph, describe an individual healthy weight-management plan. the plan should include specific details about goals, diet, exercise, and evaluative monitoring.

Life expectancy in the united states is (76.4 for men and 81.1 for women). life expectancy is not the same as healthy life expectancy. healthy life expectancy is the number of years a person is expected to live in this number is obtained by subtracting years spent in poor health from overall life expectancy. the world health organization (who) calculates healthy life expectancy in 194 countries. the united states ranks twenty-ninth in the world using this measurement, with an average of of healthy life expectancy. singapore ranks number one (76 years), and japan is number two (75 years).