In contrast to migraines, Vascular Headaches require the opposite treatment approach, where low levels of iron or manganese require their supplementation. This is usually done by taking the chelated version of the mineral in the 15 - 50 mg range day, until corrected. Headaches developing as a result of low or diminishing estrogen levels, i.e. menopausal, or low estrogenic-types of PMS, amenorrhea, or iron- deficiency anemia, fall into this same category. In addition to raising their levels, it is equally important to normalize the iron manganese ratio to subsequently prevent any one-sided headaches from developing in the first place... 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...