It's important to remember though that soybeans are eaten in Japan in the traditional manner. If they are not fermented as in natto or miso, they contain toxins. Tofu is only eaten in moderation.
Okinawans have a longer life span than the rest of Japan and they eat LOADS of pork - not just the meat but the whole pig - hooves, ears and everything.
These kinds of articles add to the hype about soy which is causing so many problems in the West with its overconsumption and lack of proper preparation.