What Causes Brittle Nails and How to Care for Them

Sources Medically Reviewed on 05/23/2020 Reviewed by Stephanie S. Gardner, MD on May 23, 2020
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SOURCES:
Canadian Dermatology Association: "Brittle Nails."
Harvard Medical School: "By the way, doctor: Does having ridged and split fingernails mean I'm unhealthy?" "The lowdown on thyroid slowdown," "How much protein do you need every day?"
UPMC Health Beat: "What Causes Brittle Nails? How You Can Treat Weak Fingernails."
National Heart, Lung, and Blood Institute: "Iron-Deficiency Anemia."
Breastcancer.org: "Nail Changes."
Cleveland Clinic: "Are Your Skin and Nails Suffering From Cancer Treatment? 9 Tips."
National Institutes of Health Office of Dietary Supplements: "Biotin."
American Academy of Dermatology: "Artificial Nails: Dermatologists' Tips For Reducing Nail Damage," "Tips for Healthy Nails."
Genetics Home Reference: "Keratins."
American Osteopathic College of Dermatology: "Brittle Splitting Nails."
Reviewed by Stephanie S. Gardner, MD on May 23, 2020
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