How did women who lived one hundred years ago survive?
The average woman who lived 100 years ago did not survive very well. Her life expectancy was approximately 40 years. What are hormones? Hormones are biologically identical chemical messengers made by the hormone producing glands in the body, known as the endocrine glands. The term hormone is derived from the Greek root hormaein which means to arouse to action or to excite. Hormones are secreted through glandular tissue into the blood stream which carries them to different areas of the body where they exert their effect. The endocrine system allows the body to respond to both internal and external conditions in order to maintain the bodys internal equilibrium and balance. Ultimately the brain controls the hormonal production by sending messengers, called neurotransmitters, to the endocrine glands signaling them to action. The hormones are produced in minute amounts and are measured in picograms, parts per billion, yet they are very powerful. The influence of the various hormones on the
