Lydia's diet lacks ________, which is classified as a major mineral.
A. iron
B. iodine
C. selenium
D. calcium
Answer: D
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Which of the following is a characteristic of free radicals?
a. They are destroyed by cigarette smoking b. They arise from normal metabolic reactions c. They typically stop chain reactions associated with the production of peroxides d. They are known to accumulate even in the presence of abundant antioxidant nutrients
High blood levels of cholesterol and fat are among the likely contributors to atherosclerosis
Indicate whether the statement is true or false
To improve her chances of conceiving a healthy baby, a woman should __________.
Fill in the blank(s) with the appropriate word(s).
Scientists are uncertain whether ________ is an essential mineral for humans.
A. zinc B. iodine C. magnesium D. silicon