Hyperparathyroidism is a disease that is underrecognized, underdiagnosed, and undertreated.  It is typically manifest as a slight elevation in your calcium level, and your doctor might even overlook it, maybe not even aware themselves of how big an impact that slight elevation in your calcium level may have. But the truth is, calcium impacts so many functions in the body, there are many symptoms that can occur, including a decreased energy level, tiredness during the day, muscle weakness, lack of concentration, or memory loss, bone pain, excessive thirst, perspiration, and urination, and the list goes on.

And so, Washington Nationals pitcher Jon Lester found himself with many of these symptoms that had been present for awhile, and he began worrying that his pitching career might be ending. 

Read more