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I looked up what deficiencies could cause dry/chapped lips.
Based on various webpages I found, it could due to a deficiency of...
vitamin B2 (riboflavin), or B1, or B6, or B12, or A or C,
or of iron...
or it could be due to an overdose of vitamin A...
or it could be due to simple dehydration...
I suppose I'll take a multivitamin again today, and try to remember to drink more.
Based on various webpages I found, it could due to a deficiency of...
vitamin B2 (riboflavin), or B1, or B6, or B12, or A or C,
or of iron...
or it could be due to an overdose of vitamin A...
or it could be due to simple dehydration...
I suppose I'll take a multivitamin again today, and try to remember to drink more.
