Medical Watch Digest for Nov 4 Vitamin D Deficiency & Autoimmune Conditions A certain vitamin deficiency could trigger autoimmune conditions. Researchers at McGill University in Canada studied mice genetically engineered to not produce vitamin d naturally.

As the days grow shorter and winter sets in, many people brace themselves for the dreaded “vitamin D winter” – the months when the Sun’s angle isn’t strong enough for our skin to produce this essential nutrient.