A large number of mixed studies exist with respect to the potential health benefits of isoflavone intake from soybeans and soy foods (like tofu or tempeh). (whfoods.org)
For instance, a study conducted by scientists at Harvard University analyzed the semen of 99 men, and compared it against their soy and isoflavone intake during the 3 previous months. (legionathletics.com)
In one study performed at the Seoul National University in Korea, 34 young women were studied to investigate the effect of soybean and isoflavone intake on bone mineral density and its change among young Korean women over a period of 2 years. (bodybuildingforyou.com)