Changes in the way research ethics was visualised in the wake of the Nuremberg Trials (1946), led to an atmosphere of protectionism of groups deemed to be vulnerable that was often legislated or regulated. This resulted in the relative underrepresentation of women in clinical trials. The position of women in research was further compromised in 1977, when in response to the tragedies resulting from thalidomide and diethylstilbestrol (DES), the United States Food and Drug Administration (FDA) prohibited women of child-bearing years from participation in early stage clinical trials. In practice this ban was often applied very widely to exclude all women.[151][152] Women, at least those in the child-bearing years, were also deemed unsuitable research subjects due to their fluctuating hormonal levels during the menstrual cycle. However, research has demonstrated significant biological differences between the sexes in rates of susceptibility, symptoms and response to treatment in many major areas of health, including heart disease and some cancers. These exclusions pose a threat to the application of evidence-based medicine to women, and compromise to care offered to both women and men.[6][153]
A related issue is the inclusion of pregnant women in clinical studies. Since other illnesses can exist concurrently with pregnancy, information is needed on the response to and efficacy of interventions during pregnancy, but ethical issues relative to the fetus, make this more complex. This gender bias is partly offset by the iniation of large scale epidemiology studies of women, such as the Nurses' Health Study (1976),[162] Women's Health Initiative[163] and Black Women's Health Study.[164][6]
Violence was declared a global health priority by the WHO at its assembly in 1996, drawing on both the United Nations Declaration on the elimination of violence against women (1993)[134] and the recommendations of both the International Conference on Population and Development (Cairo, 1994) and the Fourth World Conference on Women (Beijing, 1995)[140] This was followed by its 2002 World Report on Violence and Health, which focusses on intimate partner and sexual violence.[141] Meanwhile, the UN embedded these in an action plan when its General Assembly passed the Millennium Declaration in September 2000, which resolved inter alia "to combat all forms of violence against women and to implement the Convention on the Elimination of All Forms of Discrimination against Women".[142] One of the Millennium Goals (MDG 3) was the promotion of gender equality and the empowerment of women,[143] which sought to eliminate all forms of violence against women as well as implementing CEDAW.[101] This recognised that eliminating violence, including discrimination was a prerequisite to achieving all other goals of improving women's health. However it was later criticised for not including violence as an explicit target, the "missing target".[144][85] In the evaluation of MDG 3, violence remained a major barrier to achieving the goals.[31][37] In the successor Sustainable Development Goals, which also explicitly list the related issues of discrimination, child marriage and genital cutting, one target is listed as "Eliminate all forms of violence against all women and girls in the public and private spheres" by 2030.[109][145][138]
In addition to diet, exercise and other lifestyle factors can also play an important role in bone health. Smoking and drinking too much alcohol can increase your chances of developing osteoporosis, while weight-bearing exercise (such as walking, dancing, yoga, or lifting weights) can lower your risk. Strength or resistance training—using machines, free weights, elastic bands, or your own body weight—can be especially effective in helping to prevent loss of bone mass as you age.
Omega-3s: These essential fatty acids, EPA and DHA, play many roles in the body, including building healthy brain and nerve cells. Some studies show that omega-3s, especially DHA, can help prevent preterm births. Even women who don't plan to have children should be sure to get plenty of omega-3s. These healthy oils have been shown to reduce the risk of heart disease, the number one killer of women.