Stomach acid is another very important aspect with osteoporosis through its implication on calcium and magnesium levels, whereby high acid levels encourage calcium loss, and low levels promote an excessive storage of calcium, resulting in bio-unavailability of calcium. Both extremes - too much or too little stomach acid - have an unfavorable impact on osteoporosis... Full Text

Manganese may help with some symptoms of Parkinson's disease such as muscle rigidity and twitching...
Research shows that phytosterols such as beta-sitosterol may help normalize the function of natural killer cells and T-helper lymphocytes...
Iron deficiency may be suspect with some forms of ADHD. 84% of children with ADHD were found to have abnormally low levels of ferritin...
A high intake of B Vitamins can trigger heart palpitations, HBP, major complications in patients with congestive heart disease...