Blogs are a curious phenomenon. Like modern poetry, they have more writers than readers…those who have lost their health in their determination to sate their readers’ interest are, after their fashion, martyrs to a worthy cause.Telegraph Three well-known tech bloggers have had heart attacks since December, and a story in the New York Times suggests that the high stress of blogging may be a cause. Many obsessive bloggers complain of weight fluctuation, insomnia and exhaustion. "There is no official diagnosis of death by blogging, and the premature demise of two people obviously does