Jewish men who wrap leather straps around their arm as part of their daily morning prayers may also be protecting themselves from heart attacks, a study found.
A pilot study by researchers at the University of Cincinnati College of Medicine found that regular users of tefillin, or phylacteries, may receive cardiovascular health benefits though remote ischemic preconditioning — that is, briefly restricting blood flow and oxygen to the heart and then restoring it.
The results of the study were published last month online in the American Journal of Physiology-Heart and Circulatory Physiology.








