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Signs of vitamin D deficiency include fatigue, depression, and bone weakness. Dr. Tolliver says the best way to know if you’re deficient is through a blood test at your doctor’s office.
A deficiency occurs if a person doesn't get enough vitamin D from sunlight or food, or if their body can't synthesize or absorb vitamin D properly due to an underlying condition or medication.
The kind of sunscreen you use depends on how long you are outside and what you do during the day, according to Johns Hopkins Medicine. Mineral and chemical sunscreens work similarly.
The only way to quantify adequate levels of vitamin D is with a serum 25(OH)D 3 (calcifediol) test. [23] In the United States, serum 25(OH)D 3 was below the recommended level for more than a third of white men in a 2005 study, with serum levels even lower in women and in most minorities.
[53] [54] The typical use of sunscreen does not usually result in vitamin D deficiency; however, extensive usage may. [55] Sunscreen prevents ultraviolet light from reaching the skin, and even moderate protection can substantially reduce vitamin D synthesis. [56] [57] However, adequate amounts of vitamin D can be obtained via diet or ...
Pre-eclampsia: There has been an association between vitamin D deficiency and women who develop pre-eclampsia in pregnancy. The exact relationship of these conditions is not well understood. [17] Maternal vitamin D deficiency may affect the baby, causing overt bone disease from before birth and impairment of bone quality after birth. [9] [18]