Nutrition and Immunity: What deficiency causes cold and cough?
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5 min read
According to a 2021 review, low levels of vitamin D may increase the risk of acute respiratory tract infections, including colds and flu. This highlights how a specific nutrient deficiency can weaken immune function and leave you more susceptible to illness. What deficiency causes cold and cough? Several key vitamins and minerals are at play, each vital for a strong defense system.
