However, in some cases, zinc deficiency is associated with lip inflammation ... Other forms of vitamin A, like retinol and retinoids, may also cause dry lips. Oral or topical retinoids are a standard ...

A recent case is highlighting the return of a disease associated with Elizabethan sailors and polar explorers.

Vitamin C deficiency is rare ... This group displayed a significantly higher reduction in gum inflammation and bleeding compared to the control group. It’s a small study, and more research ...

Deficiency in these peptides results in increased susceptibility to infection. Regulation of gene expression is not fully understood. Vitamin D, TB & other infectious diseases Vitamin D deficiency ...

One of the most obvious signs of Vitamin D deficiency is excessive fatigue and tiredness. The weather conditions in winter can add on to that fatigue. Many studies support the claim that ...

But when sunlight isn't regularly available, like during winter months or at higher latitudes, vitamin D deficiency can strike. In fact, an estimated 40% of US adults don't get enough of the ...

Vitamin D deficiency has been correlated with increased rates of infection. Since the early 19th century, both environmental (i.e., sunlight) and dietary sources (cod liver) of vitamin D have been ...