Intelligent Medicine

I do stair climbing indoors in bad weather instead of walking outdoors. Is this worthwhile?The FDA no longer recommends use of radiation shields during X-ray procedures.  What say you?I have a queasy stomach feeling, and my blood sugar is higher than usual.  What are your thoughts?I've been using magnesium taurate to control palpitations and find I need more than usual.A comment about performance-enhancing drugs in professional sports