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Vitamin B-12 is an important factor in growth, cell production and blood formation
doi: 10.1007/BF02978833
Do not suffer through severe side effects hoping they will resolve
This doesnt mean avoiding supplements altogether
Stress, dehydration, too much screen time, not enough sleep these everyday headaches are uncomfortable, but they're usually short-lived and respond well to rest and over-the-counter pain relievers
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