Do not bathe before exposed to the sun
Do not bathe before you go to the beach or swimming pool so as to avoid removing the oily layer on the skin, which helps to transform the UV to the vitamin (d D).
Has been discovered the relationship between vitamin D and exposure to the sun for more than 2500 years ago. Unfortunately, the food does not contain this vitamin only in small quantities (even breast milk).
And persons who are not exposed to the sun a lot they must be exposed to the sun for at least 30 minutes a day until it helps to prevent cancer.
And fish liver oil is the richest source of vitamin D diet.
There are small amounts of this vitamin in butter, eggs, liver, tuna, salmon, mackerel and herring.
It is noteworthy that vitamin D deficiency negatively affects the health of bones and teeth, because this vitamin is very important to provide the deposition of calcium.
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