But what are the signs that you might not be getting enough? Vitamin D deficiency is linked to chronic fatigue, says Nichola Ludlam-Raine, a specialist dietitian and the author of How Not ...

Absolute iron deficiency typically affects young women and occurs because of a severe reduction or absence of iron stores, while functional iron deficiency happens when there are adequate iron ...

We asked experts to weigh in and explain what causes vitamin D deficiency, the important signs to look out for, and the dangers involved with not getting enough. Read on for the facts and the best ...

You may have an iron deficiency and not even know it. A large proportion of adults in the United States – nearly 1 in 3 – may have one of two forms of iron deficiency, even if they don’t ...

Clarkand Company/Getty Images Iron deficiency is linked to poorer brain health, heart failure, and other health concerns. A new study shows nearly 1 in 3 adults in the United States are deficient ...

Experts are warning that people eating a vegan diet need to make sure they get enough B12 - because the risk of deficiency is "not a myth". They were speaking ahead of 'Veganuary', when increasing ...