52 citations
,
December 1984 in “Journal of the American Geriatrics Society” This study found that serum and hair mineral concentrations, including copper and zinc, showed no differences between Alzheimer's patients and their healthy spouses, suggesting no diagnostic utility for Alzheimer's disease.
10 citations
,
June 2013 in “International Journal for Vitamin and Nutrition Research” This study found that higher hair calcium concentration was associated with lower calcium intake and bone mineral density among women over 20 years old in Korea.
The authors of this study concluded that higher calcium levels in hair may indicate early metabolic changes leading to osteopenia or osteoporosis in menopausal women, even before detectable by standard DEXA imaging.
January 1988 in “Nosotchu” This study observed a significant correlation between brain blood flow and hair magnesium and calcium levels in healthy elderly individuals, but no association between hair minerals and intelligence levels.
October 2008 in “Trace Elements and Electrolytes” In this study, perimenopausal women with initially high hair concentrations of calcium, magnesium, and silicon experienced a decrease in these elements after intermittent dietary supplementation with calcium, magnesium, silicon, and vitamin D.