What mineral, when intake levels are high, can lead to hypertension (high blood pressure)? How much of this mineral do adults consume every day on average? What mineral helps lower blood pressure and plays a large role in the DASH diet? What is one specific food you would recommend to someone to lower their blood pressure?
Added by Richard P.
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Step 1: The mineral that can lead to hypertension (high blood pressure) when intake levels are high is sodium. Show more…
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15) What factors can decrease the bioavailability of minerals in the body? 16) Identify the general recommended mineral intakes that can help manage high blood pressure. 17) How is high salt intake thought to be related to bone loss? 18) Describe the process of mineralization. 19) Explain how minerals serve as cofactors and give examples of metabolic processes that require mineral cofactors. 20) Describe the possible link between high levels of sulfate and ulcerative colitis.
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"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.
Researchers wish to know if there is a link between hypertension (high blood pressure) and consumption of salt. Past studies have indicated that the consumption of fruits and vegetables offsets the negative impact of salt consumption. It is also known that there is quite a bit of person-to-person variability as far as the ability of the body to process and eliminate salt. However, no method exists for identifying individuals who have a higher ability to process salt. The U.S. Department of Agriculture recommends that daily intake of salt should not exceed 2400 milligrams (mg). The researchers want to keep the design simple, so they choose to conduct their study using a completely randomized design. (a) What is the response variable in the study? (b) Name three factors that have been identified. (c) For each factor identified, determine whether the variable can be controlled or cannot be controlled. If a factor cannot be controlled, what should be done to reduce variability in the response variable? (d) How many treatments would you recommend? Why?
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