Latex allergy. If you have a latex allergy, you may have an allergic reaction if you come in contact with latex — either through skin contact or by breathing latex fibers in the air. Natural rubber ...
People who have had stomach surgery for weight loss, older adults, and people with gastrointestinal conditions like Crohn’s disease and celiac disease are also at risk for a B12 deficiency, she says.
Folate, also known as vitamin B9, is naturally found in certain foods. Folic acid is the synthetic form of folate that's added to some foods to fortify them, such as breads and cereals. Folate ...