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According to a US national survey, the average dietary intake of vitamin B 12 is 5.9 g/day for adult men and 3.8 g/day for adult women

Anyone can become dehydrated, but the risk is higher if you: Work outdoors in the heat Exercise regularly Spend long days on the golf course Coach or play outdoor sports Work in construction, landscaping, or farming Travel frequently Have vomiting or diarrhea Drink alcohol Take certain medications, including some diuretics Even spending a day at the lake can leave you more dehydrated than you realize

(PubMed) Zhang H, Wang S, Tuo L, et al

In addition, the mean corpuscular volume (MCV), which is responsible for measuring the size of red blood cells, would be increased to a level greater than 100