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Chapter 34: Q. 27 (page 975)

Discuss why obesity is a growing epidemic.

Short Answer

Expert verified

Fast food's high-calorie density and trans-fat content are just two of the causes of the obesity pandemic.

Step by step solution

01

Introduction

Globally, there has been a rise in the consumption of calorie-dense foods that are rich in fat and sugar as well as an increase in physical inactivity as a result of the changing modes of transportation, rising urbanization, and the lethargic nature of many occupations.

02

The explanation for the answer

Fast food's high-calorie density and trans-fat content are just two of the causes of the obesity pandemic. The portion sizes of many foods have increased during the past 30 years, which has boosted energy intake. People don't exercise much, yet in order to maintain their health, they need to exercise for at least an hour each day. Thus, it has become an epidemic.

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Most popular questions from this chapter

Which of the following statements is untrue?

a. Roughage takes a long time to digest.

b. Birds eat large quantities at one time so that they can fly long distances.

c. Cows do not have upper teeth.

d. In pseudo-ruminants, roughage is digested in the cecum

What are essential nutrients?

Describe one or more scenarios where the loss of hormonal regulation of digestion can lead to diseases.

Name two components of the digestive system that perform mechanical digestion. Describe how mechanical digestion contributes to acquiring nutrients from food.

How do birds digest their food in the absence of teeth?
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