Trans fatty acids, also known as trans fats, are solid fats produced artificially by heating liquid vegetable oils in the presence of metal catalysts and hydrogen. They also pose a health risk, increasing LDL or "bad" cholesterol and increasing your risk of coronary heart disease. They are often found in cookies, crackers, icing and stick margarine, and in small amounts in meats and dairy products. Beginning in January 2006, all food manufacturers had to list the amount of trans fatty acids in foods, resulting in a significant reduction in the amount of these fats used in prepared foods. In its guidelines, the American Heart Association notes that trans fats increase risk of heart disease by raising "bad" LDL cholesterol and should be avoided as much as possible. In addition, research has shown that trans fats can also decrease "good" HDL cholesterol, increase inflammation, disrupt normal endothelial cell function and possibly interfere with the metabolism of other important fats—even more evidence that they are very bad for overall health.
Nutrition education interventions were often implemented in conjunction with other programs, and it was difficult to identify the effects of nutrition education alone. In addition, many studies reported on one-on-one counseling and group education, and it was not possible to differentiate the impact. The effects of nutrition education were often greater when combined with other resource-based interventions, such as micronutrient supplementation (31, 32), home gardening (28), food supplementation (33), and water provision (22). For nutrition education programs targeting mothers, those who were more educated or of higher socioeconomic status more often translated the intervention to nutritional outcomes (33). This suggests that the effectiveness of nutrition education might relate to individuals’ ability to access resources and implement information received.
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.
As women, many of us are prone to neglecting our own dietary needs. You may feel you’re too busy to eat right, used to putting the needs of your family first, or trying to adhere to an extreme diet that leaves you short on vital nutrients and feeling cranky, hungry, and low on energy. Women’s specific needs are often neglected by dietary research, too. Studies tend to rely on male subjects whose hormone levels are more stable and predictable, thus sometimes making the results irrelevant or even misleading to women’s needs. All this can add up to serious shortfalls in your daily nutrition.
Women’s health magazines have always highlighted female celebrities at the peak of fitness: workout guru Jane Fonda next to a headline shouting “Perfect Your Body” on a 1987 Shape cover is a classic example. Peering at the local magazine counter this month, I noticed a lot of women’s health magazine still had life- and body-empowering messages, but they stressed the mental gains over the physical: “Your Best You!” next to Brooke Shields on the cover of Health; “Hot & Happy!” aside E!’s Maria Menounos. Shape magazine now even has an online section called #LoveMyShape, in which Orange Is The New Black star Danielle Brooks discusses how she learned to embrace her curves through her Lane Bryant ads, and model Katie Willcox wants you to know that you’re so much more than you see in the mirror.
After menopause. Lower levels of estrogen after menopause raise your risk for chronic diseases such as heart disease, stroke, and diabetes, and osteoporosis, a condition that causes your bones to become weak and break easily. What you eat also affects these chronic diseases. Talk to your doctor about healthy eating plans and whether you need more calcium and vitamin D to protect your bones. Read more about how very low estrogen levels affect your health in our Menopause section. Most women also need fewer calories as they age, because of less muscle and less physical activity. Find out how many calories you need based on your level of activity.
For example, these magazines may want to look at one of their likely advertisers, Athleta. The clothing line that specializes in stretchy yoga wear came under fire last year when it had decidedly non-plus-size models display the line’s plus-size clothing. Athleta followed up an apologetic statement by adding some non-“straight-size” non-supermodels to its latest clothing line, and receiving accolades from catalogue readers on Twitter.
The recommended daily intake for vitamin E is 15 mg. Don't take more than 1,000 mg of alpha-tocopherol per day. This amount is equivalent to approximately 1,500 IU of "d-alpha-tocopherol," sometimes labeled as "natural source" vitamin E, or 1,100 IU of "dl-alpha-tocopherol," a synthetic form of vitamin E. Consuming more than this could increase your risk of bleeding because vitamin E can act as an anticoagulant (blood thinner).
Calcium is extremely important after menopause when your osteoporosis risk increases. But it’s actually vital to women’s health at every age, particularly while the body is still making bone. For optimal bone health, you need three daily servings of dairy products (for example, eight ounces of milk or yogurt, or one and a half ounces of cheese per serving), which also provide other nutrients, like protein, potassium, magnesium, and zinc. “If you can tolerate dairy, low-fat sources are extremely important,” says Hincman. Besides low-fat or skim milk, try calcium-rich Greek-style yogurt, which supplies twice the protein with less or none of the sugar of traditional yogurt varieties, she says.
Iron: Iron, too, remains a critical nutrient. Adult women between the ages of 19 and 50 need 18 mg a day. Pregnant women should shoot for 27 mg a day. “The volume of blood almost doubles when women are pregnant, which dramatically increases the demand for iron,” Schwartz tells WebMD. After delivery, lactating women need far less iron, only about 9 mg, because they are no longer menstruating. But as soon as women stop breast-feeding, they should return to 18 mg a day.
Home visits ↓ anemia, ↑ Hgb, ↑ food consumption, ↑ weight gain (underweight adolescents), NC mortality, ↓ fatigue ↓ anemia, ↑ serum folate, ↑ serum B-12, NC mortality, NC depression ↓ anemia, ↑ MN status (Hgb, ferritin, folate, B-12, zinc, riboflavin), ↑/NC serum retinol, ↓/NC night blindness, ↑ weight gain, NC maternal mortality, NC depression
Rocking out to your fave playlist helps you power through a grueling workout, and now research shows singing, humming, or whistling may be just as beneficial. [Tweet this tip!] A German and Belgian study found that making music—and not just listening to it—could impact exercise performance. People who worked out on machines designed to create music based on their efforts exerted more energy (and didn't even know it) compared to others who used traditional equipment. Sweating to your own tune may help make physical activities less exhausting, researchers say.
Animal products, such as meat, fish and poultry are good and important sources of iron. Iron from plant sources are found in peas and beans, spinach and other green leafy vegetables, potatoes, and whole-grain and iron-fortified cereal products. The addition of even relatively small amounts of meat or foods containing vitamin C substantially increases the total amount of iron absorbed from the entire meal.
Our findings identified gaps and limitations in the evaluation, scope, targeting, and delivery platforms of nutrition interventions in low- and middle-income countries. First, the monitoring and evaluation of nutrition programs that reported on women's nutrition outcomes was generally inadequate. Many of the studies we identified included small-scale efficacy trials. Although there were many large-scale programs that targeted women and adolescent girls with nutrition-specific and nutrition-sensitive approaches, they lacked rigorous evaluation. Whether the evidence about women's outcomes was limited because they are not systematically measured or because they are not well reported is not clear. Negative results are often not published, and many evaluations of nutrition interventions that are conducted by the same groups responsible for implementing them are typically presented positively. This may have also skewed our findings. More intentional research-quality program evaluation, including of large-scale programs, would provide a stronger evidence base. Of the studies identified in this review, many reported on short-term findings such as changes in knowledge, dietary behaviors, and program coverage. They were limited in their ability to report clinical and anthropometric outcomes for women, the duration of those outcomes, and the feasibility of scaling up programs. There is also a need for systematic, long-term evaluations of interventions whose effects on nutrition outcomes are more distal (e.g., nutrition education compared with micronutrient supplementation). The effects of multisectoral interventions are even more complex to measure. However, frameworks exist to evaluate complex interventions (102) and could be utilized to evaluate the impact of interventions across the life course.
Family planning and birth spacing can influence the nutrition of adolescent girls, women of reproductive age, and women with young children by reducing the number of adverse outcomes associated with pregnancy and abortion. For adolescent girls, in particular, pregnancy is associated with increased risk of birth complications, anemia, hindered linear growth, and loss of educational attainment (8, 107). Delaying early child marriages and providing access to family planning, particularly for young wives, allow girls to achieve their maximum growth potential (8, 142). However, for women with young children, there was scarce evidence from observational studies to suggest that greater birth spacing had any impact on anthropometric status (BMI, weight), micronutrient status (anemia, as well as serum zinc, copper, magnesium, and folate), and maternal mortality outcomes (13, 107, 143–147). Findings were mixed, which was attributed to sample size and other confounding factors such as maternal age, breastfeeding status, and supplementation status (146, 147). The strongest evidence of the impact of birth spacing on women's nutrition was related to increased risk of preterm delivery and maternal anemia in interpregnancy intervals <6 mo (14, 146, 147) and increased risk of pre-eclampsia in intervals >5 y (107).
“The reason most people don't see changes isn't because they don't work hard—it's because they don't make their workouts harder,” says Adam Bornstein, founder of Born Fitness. His suggestion: Create a challenge every time you exercise. “Use a little more weight, rest five to 10 seconds less between sets, add a few more reps, or do another set. Incorporating these small variations into your routine is a recipe for change,” he says.
A 45-year-old woman who gets less than 30 minutes of daily physical activity in addition to her normal routine should consume six ounce of grains; two and a half cups of vegetables; one and a half cups of fruit; three cups of milk; five ounces of meat and/or beans; five teaspoons of oil; and just 195 calories of additional fat and sugar. With a higher level of daily activity (30 to 60 minutes), this woman would be able to consume a little more in certain food groups: her fruit intake could rise to two cups; meat and beans to five and a half ounces; oils to six teaspoons; and extra fat and sugar to 265 calories.
Fluids: Fluid needs increase as women age. The reason: Kidneys become less efficient at removing toxins. “Drinking more fluids helps kidneys do their job,” Schwartz says. “Unfortunately, thirst signals often become impaired with age, so people are less likely to drink enough water and other fluids.” Rather than fret about how many glasses to drink, Frechman says, check the color of your urine. "It should be clear or very pale colored. If it becomes darker, you need more fluid.”
A BMI of 25 to 29.9 is considered overweight and one 30 or above is considered obese. For an idea of what this means, a 5-foot 5-inch woman who weighs 150 pounds is overweight with a BMI of 25. At 180 pounds, she would be considered obese, with a BMI of 30. Keep in mind that the tables aren't always accurate, especially if you have a high muscle mass; are pregnant, nursing, frail or elderly; or if you are a teenager (i.e., still growing).
According to the American Heart Association, it's better to eat more complex carbohydrates (vegetables, fruits and whole grains) than simple carbohydrates found in sugars. Complex carbohydrates add more fiber, vitamins and minerals to the diet than foods high in refined sugars and flour. Foods high in complex carbohydrates are usually low in calories, saturated fat and cholesterol.
When you’re at the bar or a party and starving, your options aren’t always the best. But if it’s bruschetta, chips and salsa, or wings, go for the chicken (though nuts would be even better). Protein fills you up faster than carbs do, making it less likely that you’ll overeat, says Christopher Ochner, Ph.D., a research associate at New York Obesity Nutrition Research Center at St. Luke's Roosevelt Hospital Center. And since it’ll keep you satiated longer, you won’t be as tempted when your friend orders a brownie sundae or brings out a tray of blondies.
Fourth and finally, there was a general lack of focus on the relevant delivery platforms for nutrition interventions. Many studies were not explicit about how and where interventions were delivered, and we had to cross-reference multiple sources to identify the delivery platform for many interventions. Delivery platforms are important and relevant information in terms of replicability, but also for identifying who is effectively reached and missed. Information about delivery platforms is also instrumental in understanding gaps in implementation. A greater emphasis on delivery platforms could enhance the reach of nutrition interventions and could also strengthen the capacity to mobilize resources more effectively. For instance, organizing and grouping interventions by delivery platform (e.g., antenatal care, community centers, schools, clinics) or by the relevant stakeholders required for delivery (e.g., ministries, health care providers, teachers, administrators, transporters, etc.) could have the potential to more efficiently deliver nutrition interventions.
The delivery platforms of birth spacing and family planning interventions were often associated with health clinics and community health posts (148–150). Many interventions targeted lactating women during the follow-up with their young children (148, 151–153). Home visits by community health workers and service provision at community health posts and mobile clinics were also used to target women and adolescents who were married, and were found to be effective at increasing use of contraception (150, 154). School-based programs were also effective at reaching adolescent girls and increased their knowledge about contraceptives and sexually transmitted infections, use of contraception, and treatment of sexually transmitted infections (155). In high-income settings, school-based interventions were most effective at reducing pregnancies and repeated pregnancies among adolescents when contraception was also available on-site (107). This might have implications for their effectiveness in low- and middle-income countries, as well. In addition, formative work of 2 ongoing studies suggested that mass media, mobile devices, texting, and community mobilization could also be used as platforms to reach adolescent girls and women of reproductive age (156, 157). Community-based programs that target men, families, and communities, beyond those that reach married and postpartum women alone, have potential to change cultural norms and enhance women's health outcomes; however, these are not well captured in the literature.
The authors’ contributions were as follows—ELF and CD: were involved in the acquisition of the data; ELF, CD, SMD, and JF: were responsible for the interpretation of the data; ELF: wrote the paper and had primary responsibility for the content; CD, SMD, WS, and JF: were involved in providing detailed comments and revising the manuscript for important intellectual content; and all authors: were involved in the conception of this review and read and approved the final manuscript.
A person's caloric requirement depends on his body size and exercise level. Sedentary people of both genders will keep their weight stable by taking in about 13 calories per pound of body weight each day. Moderate physical activity boosts this requirement to 16 calories a pound, and vigorous exercise calls for about 18 calories a pound. On average, a moderately active 125-pound woman needs 2,000 calories a day; a 175-pound guy with a similar exercise pattern needs 2,800 calories. And like women, men will lose weight only if they burn more calories than they take in.
Potdar RD, Sahariah SA, Gandhi M, Kehoe SH, Brown N, Sane H, Dayama M, Jha S, Lawande A, Coakley PJ et al. Improving women's diet quality preconceptionally and during gestation: effects on birth weight and prevalence of low birth weight—a randomized controlled efficacy trial in India (Mumbai Maternal Nutrition Project). Am J Clin Nutr 2014;100(5):1257–68.
The guidelines also establish ranges (called acceptable macronutrient distribution ranges or AMDR) for fat, carbohydrates and protein, instead of exact percentages of calories or numbers of grams. The report maintains that since all three categories serve as sources of energy, they can, to some extent, substitute for one another in providing calories.
Of the few studies evaluating nutrition education interventions for women and adolescent girls who were overweight and obese, many were “facility-based” and involved delivery platforms such as health clinics (13, 22), worksites (30), and schools (26, 27, 29). Delivery platforms targeting women and adolescents who were undernourished similarly involved facility-based settings (13), but also included community outreach (16, 28), home visits, community kitchens (15, 28), and text messaging platforms (32). Such community-based platforms could provide additional opportunities for the delivery of nutrition education interventions addressing overweight, obesity, and associated noncommunicable disease in the future.
Maintaining a healthy weight is important piece of the puzzle to achieve good health. A healthy weight can be determined using the body mass index charts (see web source below). If you find you are overweight or obese, weight loss may be beneficial for you. Before you begin any weight loss efforts, consult with your medical provider and/or consult a registered dietitian to create a weight loss plan. If you are underweight, consult a medical provider to assess your weight status.
There's not much doubt about this one: Women need more iron than men, because they lose iron with each menstrual period. After menopause, of course, the gap closes. The RDA of iron for premenopausal women is 18 mg a day, for men 8 mg. Men should avoid excess iron. In the presence of an abnormal gene, it can lead to harmful deposits in various organs (hemochromatosis). Since red meat is the richest dietary source of iron, it's just as well that men don't need to wolf down lots of saturated fat to get a lot of iron.