In spite of plenty of speculation, what people ate two-million years ago isn’t known. Yet the diet of people in still existing Stone Age cultures can be observed. Men hunt and women gather. Both together still don’t provide enough food, even not enough calories, for sustaining human lives! Men have to consume more calories than… Read more

A frequently given piece of advice is to fight dirty if having to defend yourself. Fighting dirty means to target eyes or windpipe. Some people even in their regular training exercise eye-gouging. Although a brief touch does the job as well. Everything else, which does more harm, makes you the perpetrator and aggressor. The training… Read more