Low Stomach Acid - independent of H. Pylori infection - can be a factor with headaches, chronic fatigue, low Vitamin B12, allergies, asthma, non-specific aches and pains, osteoarthritis, osteoporosis and other calcium metabolism-impaired problems, all the way to various cancers. Many of these complaints are rectifiable by normalizing stomach acid, and from personal clinical observation, Dr. Ronald Roth is convinced that even some non-gastric types of cancers could be prevented, since they never seem to develop in the presence of normal acid levels... 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...