According to the recent findings of Women s Health Initiative in 2004, the daily-recommended intake of estrogen is highly dependent on the preparation used and to the brand name of the chosen estrogen alternative. For instance, when a person is using conjugated estrogen, which is commonly used in the United States and falls under the brand name of Premarin, and Cenestine the sufficient intake should fall from .3 to .625 mg/ day. S women suffering from osteoporosis cause by this deficiency. Since treatment for osteoporosis cost 10 billion per year, only a few are able to survive this maddening disease across the country. However, doctors said that best technique for osteoporosis is to prevent it. How should it be done? The answer is by adding up the estrogen to the affected women. There are various types of Estrogen patches that are suited for your individual needs and depending on the type of disorder that you complaint as well. This is not advisable to apply on the breast area due to some possible complications. If there are times that you fail to apply the patch in the affected area make sure that you will still apply it as soon as you remember. As mentioned in the American Medical Journal Association dated in 1966, according to Dr. H.M. Lemmon, M.D. there is a higher concentration of this particular substance in the body of those women who does not have breast cancer. It is very beneficial to the vagina, vulva and cervix. In cases where there is a related affliction to the mentioned parts, it is safest if the patient is going to use Estriol Estrogen preparation. Everyone including men must also know the importance of estrogen and progesterone in the women body. Men should also know that they have these hormones in their body but are found in minimal or sometimes in negligible amount. The hormone that is dominant to men is called testosterone. However, if a man has many estrogen and progesterone in his body, he may have the identifying characteristics of women. It depends on the woman if she wants to use it still despite of all the negative effects it could have. Always remember, even if many years will pass, researchers will continue to find out information about the advantages and disadvantages of estrogen. When these new findings come out, more women and their physicians might reconsider their decisions about taking estrogen.