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What should you do if you're Vitamin D deficient?

The vitamin pills industry is big business. But is this one vitamin deficiency that can be staved off by a short walk in the park on a sunny day?

Hormones expert Maralyn Druce of St Barts Hospital explains the risks and remedies of Vitamin D deficiency to the 大象传媒's Justin Rowlatt.

Release date:

Duration:

3 minutes