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发布: 2010-7-31 02:30 | 作者: 网络文摘 | 来源: 网络文摘 | 查看: 0次

foodconsumer.org - Calcium supplements boost myocardial infarction risk

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Doctors whose training on nutrition received from medical school is generally limited if any may advise their patients with bone disease to take calcium supplements with or without supplementation of vitamin D.

But the current study led by Ian Reid, MD, of the University of Auckland in New Zealand, and colleagues showed patients who had osteoporosis and took calcium supplements were 30 percent more likely to suffer myocardial infarction or heart attack.

The study was based on data from 11 previous clinical trials of 11,921 participants who were followed for a mean period of four years and five observational studies of 8151 participants who were followed for 3.6 years on average.

In the current study, separate analyses of data from both types of studies showed similar results, using calcium supplements was associated with 30 percent increased risk of myocardial infarction.

In the analysis of data from studies which were reported by patients, calcium supplementation was linked with an increased risk of myocardial infarction in those who had a dietary calcium intake above an average 805 mg per day, but not in those with a lower dietary intake.

How could calcium supplements increase risk of myocardial infarction?

A myocardial infarction or heart attack occurs when blood flow to an area of the heart muscle is completely blocked, according to the National Heart Lung and Blood Institute.

The blockage results from coronary artery disease - a condition in which plaque builds up inside the coronary arteries. The plaque consists of fat, cholesterol, calcium and other substances in the blood.

It should not be news that calcium supplements increase risk of cardiovascular disease such as heart attack as many studies have demonstrated the association.

The drugs of this class are known to reduce risk of coronary calcification and retard progression of atherosclerosis, Alcocer et al. said in their report published this year in American Journal of Cardiovascular Drugs.

The current study even though there are some limitations suggests that too much calcium can be a risk for myocardial infarction or heart attack.

High concentrations of calcium are found in both animal-based foods such as milk, yogurt and cheddar cheese and plant-based foods such as pinto beans, red beans, white beans, tofu, bok choy, kale, Chinese cabbage, broccoli, rhubarb and spinach.

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Comments (10 posted):

another one sided test by bush league witch doctors. There are many factors here such as type of calcium amount of calcium how much magnesium is taken and other risk factors. It appears this is just another attack on vitamins and minerals while promoting dangerous drugs.

Another reason I think the increased risk is due to the opposition of the action of calcium channel blockers...it negates the calcium channel blockers effect.

The major flaw in this work (or maybe just the reporting of it) was revealed by the passing mention that 'Patients in none of the studies were using vitamin D

along with calcium supplements.'

Might analyzing participants levels of vitamin D and possibly magnesium have changed the results drastically?

or you could adjust your vitamin intake? (diet) and do some excersice to help circulate the deposits and reduce buildup,They say ''For patients who are at risk for heart disease with 'multiple risk factors', or a strong family history, perhaps calcium supplementation should not be considered.''... perhaps they should stop being lazy, do research to find the real problem and 'perhaps' start at the strong family history??

I strongly suspect that this increased risk is related to magnesium deficiency.

There is plenty evidence that people with adequate magnesium intake and vitamin D levels above 32 ng/ml do not need calcium suplements. The problem is that such people are a rarity.

The ratio of calcium/magnesium is not mentioned in this study, so presumably they only tested 100% calcium. Correct ratio is 66% magnesium/33% calcium.

2 tsp Apple Cider Vinegar with 2 tsp honey in 1 cup of warm distilled water, 1 to 3 times per day, decalcifies arteries and organs. And tastes great!

I overdosed on 25%magnesium calcium dolomite on purpose to kill my colon cancer ( cancer cannot live in alkaline environment ). it worked! I knew in advance the dangers of myocardial infarction. It happened. I used EDTA to clear my arteries. It worked.

The role of magnesium and vitamin D are vital - most people are deficient in those and giving them calcium without the other needed nutrients means the calcium cant be used properly and it may end up in plaque deposits.

Fluorine attracts calcium like soap attracts dirt. It attaches to tissue and to the calcium as in 'calcified.' Hydrogen fluorine gas burn can kill a victim by sapping their bodys calcium. Ingested fluoride is stored mostly of course in the bones. Like soap it will stick to dirt and attract dirt to it, a calcified pineal gland, artery, or any other calcium deposits in the body. Fluorosis is endemic in America from lots besides fluoridated water.