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.
Not being able to do a pull-up doesn’t mean you shouldn’t step up to the bar. Simply hanging on for as long as possible can improve your upper-body strength, Montenegro says. Concentrate on keeping your body as still as possible, and you’ll naturally recruit your abs, hips, and lower back in addition to your arms, she explains, or slowly move your legs in circles or up and down to further engage your abs. 
Women's experience of health and disease differ from those of men, due to unique biological, social and behavioural conditions. Biological differences vary all the way from phenotype to the cellular, and manifest unique risks for the development of ill health.[1] The World Health Organization (WHO) defines health as "a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity".[2] Women's health is an example of population health, the health of a specific defined population.[3]

There has been an international effort to reduce this practice, and in many countries eighteen is the legal age of marriage. Organizations with campaigns to end child marriage include the United Nations[97] and its agencies, such as the Office of the High Commissioner for Human Rights,[98] UNFPA,[99] UNICEF[91][93] and WHO.[95] Like many global issues affecting women's health, poverty and gender inequality are root causes, and any campaign to change cultural attitudes has to address these.[100] Child marriage is the subject of international conventions and agreements such as The Convention on the Elimination of All Forms of Discrimination against Women (CEDAW, 1979) (article 16)[101] and the Universal Declaration of Human Rights[102] and in 2014 a summit conference (Girl Summit) co-hosted by UNICEF and the UK was held in London (see illustration) to address this issue together with FGM/C.[103][104] Later that same year the General Assembly of the United Nations passed a resolution, which inter alia[105]
Vitamin D: Over the past decade, dozens of studies have revealed many important roles for vitamin D, the nutrient that skin cells produce when they are exposed to sunlight. The recommended daily intake of Vitamin D is 600 IU per day, although recommended levels are under review. If you avoid the sun or live in the northern half of the U.S., ask your doctor whether your vitamin D level should be tested.
Getting enough water also is important. Many experts recommend at least eight 8-ounce glasses of water daily—more if you exercise frequently or are exposed to extremes of heat and cold. The 2010 Dietary Guidelines for Americans emphasize drinking more water and other calorie-free beverages, along with fat-free or low-fat milk and 100 percent fruit juices, instead of calorie-packed regular sodas.

Ovulation problems are often caused by polycystic ovarian syndrome (PCOS). PCOS is a hormone imbalance problem which can interfere with normal ovulation. PCOS is the most common cause of female infertility. Primary ovarian insufficiency (POI) is another cause of ovulation problems. POI occurs when a woman's ovaries stop working normally before she is 40. POI is not the same as early menopause.
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]
Important sexual health issues for women include Sexually transmitted infections (STIs) and female genital cutting (FGC). STIs are a global health priority because they have serious consequences for women and infants. Mother-to-child transmission of STIs can lead to stillbirths, neonatal death, low-birth-weight and prematurity, sepsis, pneumonia, neonatal conjunctivitis, and congenital deformities. Syphilis in pregnancy results in over 300,000 fetal and neonatal deaths per year, and 215,000 infants with an increased risk of death from prematurity, low-birth-weight or congenital disease.[74]
What you eat is even more important as you enter your 40s. Women need protein (meat, fish, dairy, beans, and nuts), carbohydrates (whole grains), fats (healthy oils), vitamins, minerals, and water. These foods have been linked to some disease prevention, such as osteoporosis, high blood pressure, heart disease, diabetes, and certain cancers. The American Academy of Family Physicians supports the development of healthy food supply chains in supplemental nutrition programs so as to broaden the availability of healthy food.