(SLO 8) Sixty-year-old Norbert says, "When I was a teenager, I could eat five big meals a day and still feel hungry. Now a couple of snacks can get me through the day." What BEST accounts for this age-related change?

A. Higher blood sugar
B. Addition of muscle mass
C. Drop in thiamine level
D. Lower metabolic rate



Answer :

Final answer:

The age-related change in Norbert's eating habits can be attributed to a lower metabolic rate.


Explanation:

Lower metabolic rate could best account for Norbert's age-related change from eating five big meals a day as a teen to now being satisfied with a couple of snacks. As people age, the amount of muscle decreases, leading to a higher proportion of fat in the body, which slows down the number of calories burned. Metabolism is the process of converting food into energy, and individuals with more muscle mass have a higher metabolism even at rest.


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