A deficiency disease is a medical condition caused by insufficient intake of essential nutrients, such as vitamins and minerals, that the body needs to function properly. These nutrients are normally ...

Ischemic heart disease, the leading cause of death in the United States, has long puzzled researchers. While high serum cholesterol levels are linked to cardiovascular risk, the role of dietary fat ...

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 ...

Medically reviewed by Karina Tolentino, RD Key Takeaways Vitamin K deficiency is rare because it is made naturally by ...

Crohn’s disease is a chronic disorder that can affect all parts of your digestive tract, most often your small intestine and sometimes your large intestine. With Crohn’s, your body may have a hard ...

Celiac disease prevalence is increasing, with higher incidence in women and children, often underdiagnosed due to nonclassical symptoms. Vitamin deficiencies in celiac disease, such as A, E, K, B9, ...