According to scientific research involving animals, ________ may extend one's life.

A. following a high-fiber, high-protein diet
B. taking DHEA supplements
C. consuming megadoses of vitamins
D. restricting energy intake


Answer: D

Nutritional Science

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Fat cells secrete the hormone __________, which tells the brain the size of the body's fat stores.

Fill in the blank(s) with correct word

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Intrinsic factor is required for the majority of absorption of which vitamin??

A) ?C B) ?B6 C) ?B12 D) ?B2

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What type of fiber is readily digested by colonic bacteria?

a. Lignins b. Phytates c. Cellulose d. Fermentable

Nutritional Science

Positive energy balance is:

What will be an ideal response?

Nutritional Science