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A New Method for Inducing a Depression-Like Behavior in Rats

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The rabbi who turned gray overnight.

Leonard J Hoenig¹

¹Private Practice, 601 N. Flamingo Rd. #201, Pembroke Pines, FL 33028.

Clinics in Dermatology

|November 23, 2021

Summary

Acute stress can cause rapid graying, a condition known as canities subita. This phenomenon is illustrated by the case of Rabbi Elazar ben Azaryah, who turned gray at 18.

Area of Science:

Medical history
Dermatology
Psychoneuroendocrinology

Background:

Rabbi Elazar ben Azaryah experienced rapid graying at 18.
This historical case predates modern understanding of hair graying.

Purpose of the Study:

To analyze Rabbi Elazar ben Azaryah's case history.
To correlate this historical account with current medical knowledge of canities subita.
To explore the link between acute stress and accelerated hair graying.

Main Methods:

Review of historical case details.
Analysis of current medical literature on canities subita.
Examination of scientific evidence on stress-induced hair graying.

Main Results:

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The case of Rabbi Elazar ben Azaryah aligns with the phenomenon of canities subita.
Recent scientific evidence supports the hypothesis that acute stress can accelerate hair graying.

Conclusions:

Historical accounts, like that of Rabbi Elazar ben Azaryah, can offer insights into medical conditions.
Acute stress is a plausible factor in rapid, premature hair graying (canities subita).