Lou Gehrig's disease, or Amyotrophic Lateral Sclerosis is another disorder that presents with above-normal sulfur and selenium levels, which also requires avoidance of sulfur and selenium-rich supplements and or foods, particularly the big three - eggs, onions, and garlic, although it should be emphasized that dietary sources are not the cause of Lou Gehrig's disease, but excessive storage of cellular sulfur and selenium. Nutritional factors that inhibit sulfur and selenium activity are listed below under Antagonists and Inhibitors. In contrast, some rare forms of ALS or Parkinson's-like diseases are attributable to mercury poisoning, in which case selenium supplementation can be a consideration for its mercury-lowering effect... 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...