People with hypothyroidism may want to consider minimizing their intake of gluten, a protein found in foods processed from wheat, barley, rye, and other grains, says Ruth Frechman, RDN, a dietitian and nutritionist in the Los Angeles area and a spokesperson for the Academy of Nutrition and Dietetics.
Yellow Nails. One of the most common causes of yellow nails is a fungal infection. As the infection worsens, the nail bed may retract, and nails may thicken and crumble. In rare cases, yellow nails can indicate a more serious condition such as severe thyroid disease, lung disease, diabetes or psoriasis. Swipe to advance.
Causes of Yellow Nails. Fungal Infections. Yellow nails are most commonly the result of a fungal infection, which makes plenty of sense as your hands and feet come into contact with all kinds of potentially infectious bacteria; your toes in particular are exposed to moist, warm temperatures where fungus can fester.