Which of the following describes a meta-analysis?
1.an educated guess
2.evaluation of scientific reports by peers
3.an analysis of data from multiple studies
4.the finding that one condition is correlated with another
3
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What do plant oils contain more of which causes them to be liquid at room temperature?
A. amino acid B. unsaturated fatty acid C. saturated fatty acid D. polyunsaturated fatty acid
Maltose and lactose are examples of complex carbohydrates.
a. true b. false
A medical researcher asked 50 people with painful, arthritic knees to rub a cream that contained vitamin E on their knees for two weeks. At the end of the two weeks, she asked the subjects whether their knee pain improved, stayed about the same, or worsened during the treatment period. All 50 subjects reported improvement in their knee pain. Based on this information, which of the following statements is true?
A. The researcher should find a peer-review group to analyze her findings about the vitamin E-containing cream as a treatment for knee pain. B. The results about the benefits of using a vitamin E cream for knee pain are questionable, because the researcher didn't have a control group. C. The researcher shouldn't report her findings until she uses a single-blind study to test the vitamin E-containing cream. D. The results of this study prove that rubbing a cream that contains vitamin E on arthritic knees is a good way to relieve knee pain.
After a bone scan, Alexandra learns that her bone density is lower than it should be. List at least five ways by which she can reduce her risk of osteoporosis