https://blogs.mercola.com:443/sites/vitalvotes/archive/2026/07/01/could-this-hidden-deficiency-be-mistaken-for-aging.aspxVitamin B12 is needed in only tiny amounts, yet a deficiency can have an outsized impact on your health. Unfortunately, the warning signs often develop so gradually that many people mistake them for normal aging. Persistent fatigue, brain fog, poor balanceenCommunityServer 2008.5 SP1 (Debug Build: 31106.3070)