Biological processes in the modern human body that helped ensure the survival of our hunter-gatherer ancestors include:
A) the ability to conserve sodium.
B) a digestive tract suited for high-fiber foods.
C) the ability to survive periods of famine.
D) All of the above
D
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Which of the following is NOT a proposed factor associated with the increase in vitamin D
deficiency among Americans? A) the decreased consumption of vitamin-D fortified milk products B) the increased consumption of soft drinks C) the increase in the use of sunscreen products D) the increase in the rates of obesity, which alters the metabolism and storage of vitamin D
All these factors are associated with an increased risk of breast cancer except:
a. low intake of calories. b. low intake of fruits. c. high intake of alcohol. d. low intake of phytochemicals.
College athletic programs are not allowed to provide creatine supplements to their athletes
Indicate whether the statement is true or false
Which of the following is NOT among the characteristics shared by iron and zinc?
a. Absorption is inhibited by fiber b. Absorption is inhibited by cow's milk c. Transport in the blood is primarily handled by albumin d. Absorption rises with increased needs of the body