In fact, everything from what you eat to underlying conditions can affect nail growth. "In my experience as a dermatologist, ...

Talk with a healthcare provider if brittle nails are an ongoing problem. Hypothyroidism (in which the thyroid works too slowly) also causes brittle nails. Try using a super-moisturizing lotion to ...

Medically reviewed by Katlein Franca, MD Skin, hair, and nail changes such as a thyroid rash are common with thyroid disease. These changes can be due to hormonal imbalances caused by thyroid disease.

cardiovascular conditions and thyroid problems can all have an effect on your skin in your feet and legs,” she says. Auto-immune conditions such as psoriasis can impact the feet and nails ...