Nutrition Case Study - 1159 Words

Current dietary recommendations The Recommended Dietary Allowance (RDA) for Mg in adults is 310–420 mg/d (410–420 mg/day and 310–320 mg/day for men and , respectively (64). However, Mg deficiency is commonly seen, worldwide. Marginal or subclinical Mg deficiency induced by Mg intakes 250 mg/day, and serum Mg concentrations≠¤ 0.75 mmol/l is associated with inflammatory indicators (65). Parenteral administration of the Mg supplement is contraindicated in patients with heart block or myocardial damage (66). Role in cardiovascular disease Mg is associated with a number of conditions and chronic diseases. It can prevent inflammatory and oxidative stress, endothelial dysfunction, increased vascular reactivity, increased vascular tone,†¦show more content†¦An increase of 150 mg/d to 400 mg/d in Mg intake or an increase of 0.1 mEq/L in serum Mg level, caused 9% reduction in CVD risk (66). The benefits of increasing Mg intake on CVD risk factors such as improvement in lipid profiles, diabetes mellitus, obesity, and metabolic syndrome have been shown in several studies (63, 72). In addition, rare reports exist on hypermagnesaemia or Mg toxicity in patients with normal renal function. Calcium intake and cardiovascular disease Physiology and function Calcium is the fifth most plentiful mineral in the body. Typically 99% of Ca is retained in the skeleton. In addition to its role in bone structural strength, it is a pivotal component in many physiologic pathways like muscle contraction, vascular tone, blood coagulation, nerve transmission (e.g. acetylcholine from pre-synaptic terminals of nerves), hormonal system involved in digestion, energy and fat metabolism (e.g. insulin from the beta cells in the pancreatic islets) and enzyme-intermediate in ÃŽ ±-amylase, phospholipase and protein-kinase (73). The potential roles of Ca on BP modification are due to Ca regulating hormones, sympathetic nervous system, and electrolyte interactions (74) (Figure 3). Bones provide a pool for these vital functions by remodeling. Vitamin D, calcitonin and parathyroid hormones regulate Ca homeostasis (table 1) (75). Current dietary recommendations The IOM recommended Dietary Reference Intake (DRI) for Ca, as 1000Show MoreRelatedNutrition Case Studies1534 Words   |  7 PagesPlease read the following case studies and answer the questions which follow them. The questions may have several right answers; I am looking to see if you have put some thought into the assignment and that you give accurate information in your responses. Please email your answers to me by June 24. If you have any questions about this assignment, please email me before June 24. Case Study 1 Randy, age 36, and his whole family love football. 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Many studies have shown that the differences in stress marking between males and females can be effected by theRead MoreStudents Guide4962 Words   |  20 PagesMarketing mix New product development Organisational functions Pre-issued Case Studies Quantitative and Qualitative market research Recruitment Stakeholders Training Unseen Case Studies View all the latest www.tt100.biz Xchange ideas You ZZZZZZZzzzzz 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 2 For more information log on to www.tt100.biz/students Listings Visit www.tt100.biz for Case Studies on these topics from the following organisations. Aims and objectives