This was posted by a friend of his on CEM:
"I thought I should post something since I knew him better than probably anyone else.
I've known Karl and his wife personally for a long time. They were a perfectly matched pair if ever there was one, hanging out with them was always inspiring. The loss is terrible for her but last time I saw her she was doing a little better.
He recently found out that he had a terrible autoimmune disorder called dermatomyositis and it was extremely frustrating for him because it made him very weak and lethargic and he was very nearly addicted to physical exercise. As an example, couple years ago he messed up his shoulder benching and couldn't lift for a while, the doctor told him to "take it easy" which he thinks means "stay in your house." Long story short, he loaded up a backpack with 50 lbs of gear and ran up and down his stairs for two hours, everyday, until his shoulder felt better. He had been dealing with those symptoms described above for months, thinking it was his heart, when in actually it was his immune system attacking his skeletal muscle (bad disease for a bodybuilder). He really couldn't stand the thought of wasting away over time and that's what the prednisone and immunosupressants he would have to take as treatment would eventually have done to him. In some ways I think this may have been a better way out for him than the alternative. Not for those around though, as I and so many others will miss him terribly.
I'll see if I can find a picture to put up. I don't think he'd mind now.
BTW, he was fifty. And as far as his educational background he taught physics (he was just shy of a PhD) at Boston Unversity in his younger years, until he swtiched to real estate investing because he could make more money that way. As far as the biochem, medicine, and physiology he was entirely self taught. He was just an incredibly brilliant man who took great pleasure in learning and teaching others."
So it is unlikely that steroids were the cause of his heart attack.
His family can be reached on
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