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.
Some types of cancer are affected by hormones in the body. Estrogen sensitive cancers are cancers that are affected by estrogen levels in the body. Medications for estrogen sensitive cancers help decrease estrogen in the body. Chrysin might also decrease estrogen in the body.