Using synchrotron x-ray fluorescence microscopy, researchers found copper in amyloid plaques was 25 percent higher in one group of mice with Alzheimer's disease than in mice without neurodegeneration. The study cannot say whether excess copper causes the damage or merely marks it.
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Minerals
Calcium, iron, magnesium, selenium, zinc and other minerals in the diet.
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Minerals
Selenium may protect against advanced prostate cancer
In the Netherlands Cohort Study, men with the highest toenail selenium were 63% less likely to have advanced prostate cancer and 70% less likely to have stage IV disease than men with the lowest, across 17.3 years of follow-up of 58,279 men.
Minerals
Dietary magnesium prevents fatal coronary heart disease
Among 86,323 women followed 28 years in the Nurses' Health Study, serum magnesium above 2.0 mg/dL was tied to 33 percent lower coronary heart disease risk, and the top quintile of dietary magnesium to 39 percent lower risk of fatal coronary heart disease, but not of non-fatal disease.
Minerals
Magnesium and health
A review in Advances in Nutrition notes magnesium takes part in more than 300 metabolic reactions, and that low intake or deficiency can figure in migraine, Alzheimer's, stroke, high blood pressure, cardiovascular disease and type 2 diabetes. Whole grains, nuts and greens are rich sources.
Minerals
High sodium, potassium intakes linked to lower chronic kidney disease risk
An analysis of 13,917 NHANES participants found those in the highest quartile of sodium intake were 21 percent less likely to have chronic kidney disease, and those in the lowest quartile of potassium intake were 44 percent more likely to have it than those in the highest.
Minerals
Eating magnesium rich foods cuts cardiovascular disease risk
A meta-analysis of 16 studies in the American Journal of Clinical Nutrition tied a 0.2 mmol/L rise in serum magnesium to 30% lower cardiovascular disease risk. An extra 200 mg of dietary magnesium a day was linked to 22% lower ischemic heart disease risk.
Minerals
High dietary calcium linked to lower risk of kidney stones
Using the Health Professionals Follow-up Study and two Nurses' Health Studies, researchers found participants under 60 in the highest quintile of non-dairy dietary calcium were about 30 percent less likely to develop kidney stones. Dairy calcium showed a similar association.
Minerals
Zinc/chromium supplements help type 2 diabetes
In a six-month trial of Tunisian adults with type 2 diabetes, zinc, chromium or both cut plasma TBARS, a marker of oxidative stress, by 13.6 to 18.2 percent compared with controls. The supplements did not change HbA1c, glucose homeostasis or copper status.
Minerals
Zinc oxide in dietary supplements may be harmful
Zinc oxide nanoparticles, used in supplements as a zinc source, killed human neuronal cells, disturbed the cell cycle and damaged DNA in a study in Environment International. The author also flags titanium dioxide and silica as common food and supplement additives.
Minerals
Magnesium, potassium may prevent stroke
Reviewing the epidemiology, Susanna Larsson concludes that diets high in magnesium and potassium may help prevent stroke while high sodium intake raises risk. She says the effects of specific fatty acids, dietary cholesterol and vitamin combinations remain unclear.
Minerals
Dietary salt reduction cuts sugar intake, obesity risk
Analyzing 4,283 Australian children, Carley Grimes and colleagues found each extra gram of salt a day tracked with 46 g more fluid and 17 g more sugar-sweetened drinks. Children drinking 250 g or more a day were 26 percent more likely to be overweight or obese.
Minerals
Magnesium not linked to all risk factors of cardiovascular disease in hemodialysis patients
In 103 hemodialysis patients in Tehran, serum magnesium showed no link to HDL, LDL, triglycerides or blood pressure, though it correlated with serum phosphorus and albumin. The authors found no correlation with atherogenic lipids, serum calcium or parathyroid hormone.
Minerals
zinc supplements may help prevent hepatic cirrhosis
Comparing 50 patients hospitalized for hepatic cirrhosis with 50 healthy adults in Dhaka, researchers found patients had about 26% less serum zinc. The study cannot show low zinc causes cirrhosis, but the authors suggest patients may do better eating zinc-rich foods or supplementing.
Minerals
Red meat may increase stroke risk in men
Among 38,859 men followed for 11.7 years, the highest heme iron intake came with 16% higher total stroke risk overall, rising to 40% among men of normal body weight. Heme iron was not associated with stroke in overweight or obese men.
Minerals
Dietary calcium may prevent lung cancer
Among 71,267 nonsmoking women in the Shanghai Women's Study followed a median 11.2 years, those in the highest quartile of dietary calcium intake were less likely to develop lung cancer. Phosphorus intake and the calcium-to-magnesium ratio showed similar inverse links; supplements showed none.
Minerals
Importance of Magnesium is Far Greater than Previously Imagined
Researchers have detected 3,751 magnesium binding sites on human proteins, which Mercola reads as a sign the mineral's role has been underestimated. He cites a meta-analysis of seven studies covering 240,000 people that tied dietary magnesium to lower ischemic stroke risk.
Minerals
Zinc—One of the Best Supplements to Help Fight Cold and Fluzin
Mercola makes the case for zinc as a cold and flu defense: the body stores none and needs a daily supply, it forms part of more than 200 enzymes, and it raises white blood cell production. He says mild deficiency is common in infants, pregnant women, the elderly and vegetarians.
Minerals
Trace elements or minerals prevent dementia like Alzheimer's disease
In Japan's Hisayama Study, 1,081 adults aged 60 and over were followed 17 years. Those in the highest quartile of potassium, calcium and magnesium intake had 48%, 36% and 37% lower risk of all-cause dementia, with far larger reductions, 80%, 76% and 74%, for vascular dementia.
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