What is the latest research on the connection between stress & hair-loss?

Is there a tie? I'm seeing conflicting articles across all of the health sites.

Doctor Answers 2

Stress Can Cause Hair Loss

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Along with other things such as hormones, genetics, diet, travel, infection, autoimmune.  If you have hair loss please see an expert for an evaluation.  Best, Dr. Emer.

Los Angeles Dermatologic Surgeon
4.8 out of 5 stars 207 reviews

Stress and hair loss

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Stress contributes to all forms of genetic hair loss in men and in women. If these genes are there the predisposition for hair loss is there. 

William Rassman, MD
Los Angeles Hair Restoration Surgeon
5.0 out of 5 stars 29 reviews

These answers are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.