Many steels add to the iron-steel mix other metals that give the entire substance desirable properties such as strength, heat resistance, or flexibility. Steel is considered a mixture rather than a compound because the iron does not chemically bond with the carbon and other components.
Some of estrogen's effects include: 1  Increasing serotonin, and the number of serotonin receptors in the brain. 2  Modifying the production and the effects of endorphins, the feel-good chemicals in the brain. 3  Protecting nerves from damage, and possibly stimulating nerve growth.
Estrogen is a hormone primarily involved in the development, maturation and function of the female reproductive system. Phytoestrogens are natural estrogens found in some foods that can bind to estrogen receptors in your body, leading to either an estrogenic effect or an antiestrogenic effect.hytoestrogens are natural estrogens found in some foods that can bind to estrogen receptors in your body, leading to either an estrogenic effect or an antiestrogenic effect.