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Vitamin D eased asthma in older adults

Very few studies have been done on asthma in older adults. In this pilot study, 28 men and women aged 65 to 84 with asthma took 2,000 IU of vitamin D per day. Those with uncontrolled asthma symptoms started the study with vitamin D levels 26 percent below the levels of those whose asthma was well controlled.

After 12 weeks, circulating levels of vitamin D had increased for everyone by an average of 40 percent, rising to 34 from 24.3 nanograms per milliliter of blood overall. In addition, symptom scores for those with uncontrolled asthma improved to the level of “good control.” Doctors said even without a placebo group, the findings appear to confirm that vitamin D helps control asthma symptoms in older adults.

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