Vitamin D is a hot topic in microbiology. For good reason. We know it’s important to bone health. But we now know that vitamin D is active in many cells outside the skeleton – and can also influence genetics that affect cancer, infection and autoimmune disease.
A deficiency can make many problems worse, including cardiovascular disease, breast cancer, multiple sclerosis, depression and diabetes. One recent study adds another to the list; respiratory infection. That is particularly noteworthy during a global pandemic caused by a respiratory virus.