does smoking decrease glutathione Mechanisms for redox actions of nicotine and in cell culture, relevant to periodontitis Glutathione Participation in the Prevention

10.1126/science.271.5256.1734 83

Some of the most common causes of vitamin B12 malabsorption are: Leaky gut and inflammatory bowel disease Gut dysbiosis (imbalance in gut bacteria) Low stomach acid (hypochlorhydria) The auto immune condition pernicious anaemia - as the body attacks and destroys intrinsic factor, the protein that is essential for B12 absorption Acid suppressant medications Excessive alcohol Vegan or vegetarian diets (plant sources are poorly absorbed) According to various studies 50% of long-term vegetarians and 80% of vegans are extremely low in B12

Copyright 2011 Saunders, An Imprint of Elsevier Available at: Accessed: 2/4/2013

It reduced the infection rate by 48 percent not a home run, but better than the 38 percent reduction in people who got a standard seasonal flu vaccine