Study shows regular tefillin use can protect men during heart

Wrapping and unwrapping the leather straps may restrict blood flow -- and precondition the heart to oxygen deprivation.

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Tefillin (Phylacteries)

Did Jesus wear “tefillin” as some observant Jews do today?

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STUDY: Wearing Tefillin Can Protect Heart Health - VINnews

Study shows regular tefillin use can protect men during heart attacks - Jewish Telegraphic Agency