What are the health benefits of omega-3 fatty acids?
What will be an ideal response?
Evidence suggests that omega-3 fatty acids have anti-clotting effects, are protective against heart disease, and reduce heart rate, blood pressure, cardiac arrhythmias (i.e., abnormal heart rhythms), and the risk of sudden cardiac death. In addition, there is evidence that they exert anti-inflammatory effects through, for example, suppressing pro-inflammatory cytokines such as tumor necrosis factor-a, interleukin 1B, and interleukin-6 . Since inflammation appears to promote chronic diseases like cardiovascular disease, then omega-3 fatty acids may play a protective role through their anti-inflammatory properties.
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Researchers who study suicide statistics believe that the number of actual suicides is ____
a. a pretty accurate reflection of reality b. probably 25-30 percent lower than what is reported c. probably 25-30 percent higher than what is reported d. probably underreported because of the concern about copycat suicides
The very ends of chromosomes in cells that may be correlated with longevity are known as
B cells. T cells. alleles. telomeres.
The range of "normal" heights is
a. wider than the range of "average" heights. b. narrower than the range of "average" heights. c. the same as the range of "average" heights. d. sometimes narrower and sometimes wider than the range of "average" heights depending on the country.
Under which condition is the reliability among several observers likely to be highest?
a) the ratings are subjective b) each rater has a unique frame of reference c) different raters emphasize different behaviors d) the observations do not require the drawing of inferences