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Discuss about the supplements of the blood pressure

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Reference no: EM131771324

Question: "If you have borderline high blood pressure, taking magnesium supplements may help, Japanese researchers report. Blood pressure fell significantly in subjects who got 400-500 milligrams of magnesium a day for four weeks, but not in those getting a placebo" (USA Weekend, 22-24 May 1998, p. 11).

a. Do you think this was a randomized experiment or an observational study? Explain.

b. Do you think the relationship found in this study is a causal one, in which taking magnesium actually causes blood pressure to be lowered? Explain.

Reference no: EM131771324

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