Low estrogen in the body also affects the normal function of the brain. There are many studies that tell that estrogen can prevent the existence of Alzheimer s disease. This is because estrogen increases the blood supply to the brain causing it to function well. With minimum amount of blood in the brain, women will have problems with recalling memory that sometimes leads to Alzheimer s disease. Natural estrogen level also helps in the prevention of osteoporosis. There are certain components of estrogen that helps in bone formation and bone nourishing as well. Scientists have proven that women who have normal estrogen level in the body are less likely to suffer from osteoporosis. Breast cancer is also prevented by having natural estrogen level in the body. Other beneficial effects of estrogen are: Reduce night sweats Reduces the risk of colon cancer Improves pelvic musculature Avoid loss of collagen in the skin However, besides its promises, estrogen has also increased the number of severe concerns because there are dangerous effects that could possibly happen with some women. Women are pre dominated by these hormones that they appear to have smaller hips, bigger chest, slimmer body and firmer skin compared to men. These particular hormones are also the reason why women menstruate. Women who lack such sex hormones often have different physique that is closer to males. Usually, if women do not have enough estrogen and progesterone, they appear to have smaller breast and masculine appearance. Sometimes you will also experience bloating and abdominal cramps but these are very rare side effects. People most particularly the women are aware about the fact that Estrogen patches can cause uterus or ovarian cancer. This is especially in the case of people who are recommended to undertake a long term Estrogen treatment. On the other hand, the maintenance of this cream is also quite difficult because if you use it beyond what the doctor prescribed, it can lead to some very serious risks. One of the manifestations of the menopausal symptoms is the dryness of the vaginal area. It can also sometimes cause itchiness and irritation.