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Risk factors

By Mayo Clinic staff
  • Family history. Your risk of hair loss increases if relatives on either side of your family have experienced hair loss. Heredity also affects the age at which you begin to lose hair and the developmental speed, pattern and extent of your baldness.
  • Hair treatments. Overuse or improper use of hair-coloring products, hair straighteners and permanent waves can leave your hair brittle and prone to breaking off at the scalp. Excessive hairstyling or hairstyles that pull your hair too tightly cause traction alopecia.
  • Poor nutrition. Your hair may thin out if you skimp on good dietary sources of iron and protein, such as red meat, nonfat dairy products and iron-fortified cereal. Hair loss related to poor nutrition often accompanies eating disorders and crash dieting.
Preparing for your appointment Causes
References
  1. Habif TP. Clinical Dermatology: A Color Guide to Diagnosis and Therapy. 5th ed. Edinburgh, U.K.; New York, N.Y.: Mosby Elsevier; 2010. http://www.mdconsult.com/books/about.do?about=true&eid=4-u1.0-B978-0-7234-3541-9..X0001-6--TOP&isbn=978-0-7234-3541-9&uniqId=230100505-57. Accessed Feb. 12, 2012.
  2. Ferri FF. Ferri's Clinical Advisor 2012: 5 Books in 1. Philadelphia, Pa.: Mosby Elsevier; 2012. http://www.mdconsult.com/books/about.do?about=true&eid=4-u1.0-B978-0-323-05611-3..C2009-0-38601-8--TOP&isbn=978-0-323-05611-3&uniqId=291436269-101. Accessed Feb. 13, 2012.
  3. Goldman L, et al. Cecil Medicine. 24th ed. Philadelphia, Pa.: Saunders Elsevier; 2011. http://www.mdconsult.com/das/book/body/191371208-2/0/1492/0.html#. Accessed Feb. 13, 2012.
  4. Bope ET, et al. Conn's Current Therapy. Philadelphia, Pa.: Saunders Elsevier; 2011. http://www.mdconsult.com/books/about.do?eid=4-u1.0-B978-1-4377-0986-5..C2009-0-38984-9--TOP&isbn=978-1-4377-0986-5&about=true&uniqId=236797353-5. Accessed Feb. 13, 2012.
  5. Gibson LE (expert opinion). Mayo Clinic, Rochester, Minn. Feb. 23, 2012.
DS00278 March 29, 2012

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