Earlier this month, the same journal included
research led by Harvard scientists linking low vitamin D
And previous research has linked low vitamin D with high
blood pressure, diabetes and obesity, which all can
contribute to heart disease.
The new research
"provides the strongest evidence to date for a link
between vitamin D deficiency and cardiovascular
mortality," in the Harvard study of 18,225 men.
Low vitamin D levels also have been linked with several
and some researchers believe the vitamin could even be
used to help prevent malignancies.
It has been estimated that at least 50 percent of older
adults worldwide have low vitamin D levels, and the
problem is also thought to affect substantial numbers of
younger people. Possible reasons include decreased
outdoor activities, air pollution and, as people age, a
decline in the skin's ability to produce vitamin D from
ultraviolet rays, use of sunscreens the study
authors said. The use of statin drugs and low fat diet
are to blame read more in the bottom section.
doctors believe overuse of sunscreen lotions has
contributed, and say just 10 to 15 minutes daily in the
sun without sunscreen is safe and enough to ensure
adequate vitamin D, although there's no consensus on
Diet sources include fortified milk, which
generally contains 100 international units of vitamin D
per cup, and fatty fish 3- ounces of canned tuna has 200
The Institute of Medicine's current vitamin
D recommendations are 200 units daily for children and
adults up to age 50, and 400 to 600 units for older
adults. But some doctors believe these amounts are far
CIDPUSA RECOMMENDS 5000 UNITS DAILY for
adults, children can use cod liver oil daily according
to instructions on formulation. If you use sun blockers
you need 4000 units daily read below.