A person who suffers from orthorexia nervosa has:
A fear of foods containing eggs
B. An obsession with eating only the "right" foods
C. An obsession with eating only locally grown food
D. A fear of food additives
E. A concern about including too much caffeine in their diet
Brown eggs are more nutritious than white eggs.
A. Fact
B. Fiction
To build their argument, the authors referenced a number of studies that demonstrated positive outcomes from taking multivitamin supplements. What major illnesses did these studies focus on? Select all that apply.
A. Heart disease
B. Stroke
Colon cancer
D. Breast cancer
E. Parkinson's disease
F. Alzheimer's
The Iowa Women’s Health Study is given as an example of a study linking multivitamins and mortality. According to this study, women over 55 years of age who took multivitamins had a higher risk of dying compared to those who did not. Which of the following statements summarizes what the authors consider to be a flaw in the research design?
A. It is not clear whether supplementation started before or after illness was diagnosed. In addition, the study did not exclude women who were sick or take into account how long they were taking supplements.
B. The study did not control the multivitamin supplements assigned to each patient and was conducted over a short period of time making it difficult to assess long term effects on mortality.
C. Supplemental iron was assigned to all participants even though the women in the study had issues regulating iron absorption and did not have a diagnosis of iron deficiency. As a result, negative effects were reported in all cases.
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