Lack of Sunlight Could Increase Asthma

Lack of vitamin D may increase the risk of asthma caused by air pollution, scientists warn at the launch of a major investigation.

Thousands of children in London will take part in research to establish whether lack of vitamin D exacerbates pollution-related asthma.

Vitamin D which is made by the body from sunlight and a small proportion gained from diet is vital for good lung development in the womb and in childhood, it has been found.

Air pollution, which is higher in London than elsewhere in the UK and has among the highest rates in Europe, can trigger asthma and exacerbate symptoms in those who already have it. Read more