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Hair loss caused by lack of protein in the diet

Hair loss may occasionally be caused by lack of protein in the diet. Some people who go on crash diets that exclude protein or who have abnormal eating habits may develop protein malnutrition. When this happens, the body will help save protein by shifting growing hairs into the resting phase. Increased hair shedding can occur 2 to 3 months later.

This condition can be reversed and prevented by eating the proper amount of protein and, when dieting, maintaining adequate protein intake. For adults, this means 2 to 3 servings of protein a day. Protein is found in meat, chicken, fish, eggs, some cheeses, dried beans, tofu, grains, and nuts.

For more information, see the topic Healthy Eating.

Author Robin Parks, MS
Editor Kathleen M. Ariss, MS
Associate Editor Tracy Landauer
Associate Editor Pat Truman, MATC
Primary Medical Reviewer Patrice Burgess, MD
- Family Medicine
Primary Medical Reviewer Martin Gabica, MD
- Family Medicine
Specialist Medical Reviewer Randall D. Burr, MD
- Dermatology
Last Updated July 3, 2006

WebMD Medical Reference from Healthwise

Last Updated: July 03, 2006
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.