Peter Black Function Quotations

Although there is a definite relationship between lung function and vitamin D, it is unclear if increases in vitamin D through supplements or dietary intake will actually improve lung function in patients with chronic respiratory diseases.

As far as we are aware, this is the first time that anyone has identified this association between lung function and vitamin D.

The difference in lung function between the highest and lowest quintiles of vitamin D is substantial and greater than the difference between former and nonsmokers.