So my wife and I just had a baffling experience with my 3yo. He just went to the toilet, and his stool came out green. Bright green, like the leaves of a healthy tree, or the Libyan flag. I can't stress enough how green it was. Anyhow, we are racking our brains as to how this could have happened...

My friend usually goes to gym, but today he has headache, flu and loose motions. But, he exercises daily regardless of his bad health condition. Is it okay to exercise, if someone faces such illnesses?

Does anyone know what sort of stitch Vivien Thomas used that prompted the remark from Blalock, "this looks like something the Lord made?" How closely does the modern atrial septectomy resemble Vivien Thomas's work in that respect?

To punch my left shoulder while I put energy into my muscles there. I wanted to test how strong my muscles there were, not to mention that I had some misunderstanding as to how muscle development worked -- I'd heard that muscles were grown in the process of being damaged or ripped during exercise...