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WebMD Symptom Checker

Brittle hair, Difficulty concentrating, Difficulty learning new things and Difficulty sleeping

WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms brittle hair, difficulty concentrating, difficulty learning new things and difficulty sleeping including Depression (Adult), Lyme disease, and Depression (Child and Adolescent).

There are 48 conditions associated with brittle hair, difficulty concentrating, difficulty learning new things and difficulty sleeping. The links below will provide you with more detailed information on these medical conditions from the WebMD Symptom Checker and help provide a better understanding of causes and treatment of these related conditions.