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Do not repeatedly cycle the vial between fridge and room temperature
An explanation of how we came to these new recommendations can be found in Vitamin B12: Rationale for Recommendations
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In people with reduced ALDH2 levels (and thus more acetaldehyde), alcohol is more likely to induce asthma.[ref] One study explains: Impaired ALDH2 activity leads to high peak levels of acetaldehyde and to histamine release. Studies show that inhaling acetaldehyde induces histamine-mediated airway constriction, such as is seen in asthma.[ref] Hangovers and histamine A recent animal study sheds light on the age-old question of what causes hangover symptoms
Sometimes they are
Vitamin B12, a unique member of the Vitamin B complex, stands out due to its complex structure and the necessity of intrinsic factor for its absorption
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