Human Limits

Exploring performance and health with Michael J. Joyner, M.D.

Photo of Michael J. Joyner, M.D.

Archive for December, 2015

What exactly is HGH? A primer on its science and growth in popularity


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Happy Holidays Coach Murray

The subject of good coaches and how important they are came up in one of the groups I have an ongoing e-mail dialogue with.  The conversation stimulated Alex Hutchinson to generate an outstanding post for Runner’s World.  As a part of it I shared some thoughts about Dave Murray who was my coach at the University of Arizona from 1977-81.  The link is below.   If you had a coach who played a key role in your life, this holiday season would be a good time to let them know they mattered.


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The left-handed logic of Giants’ Odell Beckham Jr.

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