Insufficiency of one or more essential vitamins in the body(noun)
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Use "hypovitaminosis" in a sentence
"Depression has significant co-morbidity with illnesses associated with hypovitaminosis D such as osteoporosis, diabetes, heart disease, hypertension, multiple sclerosis, and rheumatoid arthritis."
"Further to my earlier post on hypovitaminosis D and ISI the authors of the study commented that: Hyperresponsive insulin secretion after a glucose challenge has been found in older men with hypovitaminosis D."
"Conclusions: The data show a positive correlation of 25OHD concentration with insulin sensitivity and a negative effect of hypovitaminosis D on cell function."