Deficiency of vitamin D has been linked to issues in bone health, but recent studies are revealing a more complex relationship between this nutrient and the immune system. Emerging evidence suggests ...

Scientists are still untangling why the nutrient gap persists—and what it reveals about how women’s health is studied and treated.

In a new study, researchers examined herbal supplements with immune-activating properties that could trigger or worsen ...

The body can naturally produce vitamin D when skin is exposed to sunlight, but this process declines significantly in winter. There also aren't many food sources of vitamin D. But vitamin D is very ...

CNN — Taking daily vitamin D and fish oil supplements may help protect older adults from developing autoimmune disorders such as rheumatoid arthritis, psoriasis, thyroid diseases and polymyalgia ...

Autoimmune diseases remain some of the most difficult to prevent and treat of all common conditions. For the 80 or so disorders -- from alopecia causing hair loss to rheumatoid arthritis causing foot ...

More than one-third of pregnant women are iron deficient, placing them at increased risk of a thyroid disease that increases the likelihood of pregnancy complications such as miscarriage, warn Belgian ...

Primary immunodeficiency (PI) not only increases your risk of frequent and serious infections, but can also make you more likely to develop autoimmune diseases — conditions where the immune system ...

Immunoglobulin A (IgA) deficiency is the most common primary immunodeficiency in humans. It can increase the risk of allergies, asthma, and autoimmune disease. Primary immunodeficiencies are ...

Vitamin B12 deficiency can cause anemia, nerve damage, cognitive changes, and mood symptoms. Experts warn it’s often missed, ...