Purpose -The purpose of this paper is to examine gender differences in food habits and food choices, including decisions in healthy eating, to personalize diet therapies to be as effective possible for long-term weight loss.Design/methodology/approach -In this cross-sectional study, eating behaviours were assessed using a questionnaire composed of 12 questions concerning food habits, 17 concerning food taste, and four about healthy eating. There were 2,021 (1,276 women) Caucasian adults enrolled in the study.Findings -Statistically significant differences in women compared to men occurred for the following questionnaire entries reading eating habits: whole grain food (10.0 per cent higher in women; p < 0.001); cereals such as barley (8.3 per cent higher in women, p < 0.001); cooked vegetables (6.6 per cent higher in women, p < 0.001); eggs (5.0 per cent lower in women, p = 0.03); meat (9.3 per cent lower in women, p < 0.001); and processed meat (7.1 per cent lower in women, p < 0.001). Women consume more water, sugar-sweetened beverages and alcoholic drinks than males, and liked salty foods more than sweet foods. Men ate faster, ate more during the night and slept worse than women. Men ate meals out more often and tended to be hungrier later in the day. Women missed more meals and ate more times during the day and were also more likely to eat uncontrollably.Research limitations/implications -The authors observed strong evidence of profound genderspecific differences between men and women in terms of dietary habits, the taste of food and in the relationship with meals.Practical implications -The findings suggest a need for the creation of gender-specific programs for promoting a healthy lifestyle.Social implications -A need for the creation of gender-related programs for promoting healthy lifestyle has been demonstrated.Originality/value -Reasons for the different eating behaviours among men and women have been found. Western society's perception of the ideal body weight is much lower for women than for men. In general, social perceptions influence nutritional behaviour to a great extent. Women's greater nutritional knowledge and sex-specific taste preferences also account for the differences in eating behaviour.
Introduction: Trimethylamine N-oxide (TMAO) may play a key mediator role in the relationship between the diet, gut microbiota and cardiovascular diseases, particularly in people with kidney failure. The aim of this review is to evaluate which foods have a greater influence on blood or urinary trimethylamine N-oxide (TMAO) levels. Methods: 391 language articles were screened, and 27 were analysed and summarized for this review, using the keywords “TMAO” AND “egg” OR “meat” OR “fish” OR “dairy” OR “vegetables” OR “fruit” OR “food” in December 2020. Results: A strong correlation between TMAO and fish consumption, mainly saltwater fish and shellfish, but not freshwater fish, has been demonstrated. Associations of the consumption of eggs, dairy and meat with TMAO are less clear and may depend on other factors such as microbiota or cooking methods. Plant-based foods do not seem to influence TMAO but have been less investigated. Discussion: Consumption of saltwater fish, dark meat fish and shellfish seems to be associated with an increase in urine or plasma TMAO values. Further studies are needed to understand the relationship between increased risk of cardiovascular disease and plasma levels of TMAO due to fish consumption. Interventions coupled with long-term dietary patterns targeting the gut microbiota seem promising.
Objective: It is a common belief that menopausal women have greater difficulty losing weight. The aim of this study was to assess the efficacy of a Mediterranean diet (MD) to promote weight loss in postmenopausal women. All participants were prescribed a hypocaloric traditional MD, tailored to the individual. Subjects were asked not to begin any kind of physical activity. Body composition was measured at the beginning and after 8 weeks of treatment. In total, 89 women (age 52.8 ± 4.5 years, BMI 30.0 ± 5.2 kg/m2, fat mass 31.6 ± 10.5 kg) were divided into two groups: the first group consisted of fertile women over 45 years of age, the second group consisted of those diagnosed as menopausal. All women had an improvement in body composition (fat mass −2.3 ± 2.1 kg, p < 0.001; protein −0.1 ± 0.7 kg, p = 0.190) and blood pressure values. No differences were found between the two groups except for a higher reduction of low-density lipoprotein in the menopausal group (p = 0.035). A positive significant correlation between plant to animal protein ratio and fat-free mass variation was found in the menopausal group. These data suggest that a high adherence to a traditional MD would enable menopausal women to lose fat mass and maintain muscle mass with no significant difference to younger women. Fat mass reduction provides menopausal women with improved cardiovascular and metabolic risk factors.
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