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Author Question: Studies on nutrition use two groups of subjects who are called the: (Read 34 times)

ENagel

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Studies on nutrition use two groups of subjects who are called the:
 
Question 2

Which of the following are valid research designs?
 



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miss.ashley

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ENagel

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miss.ashley

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Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

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