Also, 56% of women in that age group take vitamin D supplements, compared with only 30% in 1988-1994.
Those who never had a stroke were twice as likely as the stroke victims to take vitamin supplements.
Too many pregnant women in Scotland are not following advice to take vitamin D supplements, a study has said.
The Scottish government is to advise women who are planning a pregnancy to take vitamin D supplements, BBC Scotland can reveal.
"I tell my breast cancer patients not to take vitamin supplements or antioxidants during radiation, " says Weiss, who was not involved in the new study.
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Guidelines suggest that all pregnant and lactating women should take Vitamin D and Professor Nussey said many working in the field believe there has been a resurgence of the disease is related to the fact that recommendation is not followed.
But at the end of the day the decision to take a vitamin is probably a personal choice.
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Last year, the U.S. Preventive Services Task Force recommended people age 65 or older who are considered at risk for falling and potentially breaking bones exercise and take a vitamin D supplement.
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Health experts now recommend that women who are planning to become pregnant take a supplement of vitamin D as well as folic acid.
Pregnant and breastfeeding women in the UK are currently advised to take daily supplements of vitamin D to protect against deficiency, but whether this advice has been successful or not has never previously been studied in Scotland.
The research, from the government-funded Women's Health Study, included 39, 876 women 45 years and older who were free of COPD before they were randomly assigned to take a placebo, vitamin E supplements (600 IU every other day) or aspirin (100 mg per day), either alone or in combination.
The recent Institute of Medicine study recommends everyone age 1 to 70 take 600 international units (IU) per day of vitamin D and those over 71 take 800 IU. The institute recommends adolescents age 9 to 18 receive 1, 300 mg per day of elemental calcium.
If you believe in the case for vitamin D, she advises, take supplements and stay pale.
Dr. Solomon, who wasn't involved in the Swedish study, recommends his patients take 2, 000 to 4, 000 international units a day of vitamin D.
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Many kids aren't getting enough from their diet or the sun, especially since sunscreen can block vitamin D formation as well as blocking harmful rays, so take 'em outside!
"Though vitamin E is important to health, we aren't suggesting people take more than a multivitamin, " said Benson.
People at risk of vitamin D deficiency, including pregnant women and children under five, are already advised to take daily supplements.
According to the study, the most variability was found in pills and capsules containing 1000 ius of vitamin D3, so it might make sense to purchase lower dosage pills (and then take more of them).
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The bottom line is this: why even take the risk of developing a kidney stone-with its attendant pain and suffering-if high dose vitamin C has never been proven to have beneficial effects on our quality of health and risk for developing cardiovascular disease as well as cancer?
But 0.2% of the children whose mothers did not take folic acid had autism, compared to 0.1% of the children of mothers who took the vitamin in pill form.
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