A growing body of observational research suggests that dairy consumption may have a beneficial effect on the metabolic syndrome (MetS). MetS is a clustering of cardiometabolic risk factors within an individual that carries with it an increased risk of developing cardiovascular disease. A systematic search of electronic databases identified cross-sectional studies (n = 10) and prospective cohort studies (n = 3) that assessed dairy intake in relation to MetS. The quality of the included studies was assessed based on study methodology, measurement and reporting of dietary intake, use of standardized MetS diagnostic criteria and statistical analysis. Dairy intake was inversely associated with incidence or prevalence of MetS in seven out of 13 studies. Three studies found no association between dairy and MetS. Three studies reported mixed relationships between specific dairy foods and MetS. The majority of studies suggested a potential benefit of dairy consumption on the risk of having MetS, but methodological differences, potential biases and other limitations in the studies conducted prevent conclusions to be drawn. Future randomized controlled trials are needed to confirm the effect of dairy consumption on MetS.
To examine the psychological well-being of mothers following participation in a behavioural modification programme previously shown to improve infant sleep.A 45 min consultation with either a general practitioner (GP) or trained nurse providing verbal and written information describing sleep physiology in infants and strategies to improve infant sleep. Eighty mothers of infants 6-12 months of age with established infant sleep problems at a single general practice, Adelaide, South Australia.The Depression Anxiety Stress Scale 21 (DASS21) immediately prior to the first consultation and again at follow-up approximately 3 weeks later. The number of infant nocturnal awakenings requiring parental support was also reported by mothers on both occasions.All measures of maternal well-being and infant nocturnal awakenings improved significantly. The mean number of maximum nocturnal awakenings decreased from 5.0 to 0.5 (mean difference 4.4, 95% CI 3.4 to 5.5). All measures of DASS21 improved significantly. The mean total DASS21 decreased from 29.1 to 14.9 (mean decrease 14.2, 95% CI 10.2 to 18.2); mean depression decreased from 7.9 to 2.8 (mean difference 5.2, 95% CI 3.7 to 6.7); mean anxiety decreased from 4.6 to 2.6 (mean difference 2.0, 95% CI 0.7 to 3.2); mean stress decreased from 16.6 to 9.5 (mean difference 7.0, 95% CI 5.1 to 9.0). The proportion of mothers assessed as having any degree of depression decreased by 85% from 26/80 (32.5%) to 4/80 (5%).The number of nocturnal awakenings requiring parental support among infants aged 6-12 months significantly decreased following a single consultation on infant sleep physiology and teaching behavioural strategies to improve sleep. Significant improvements in maternal stress, anxiety and depression were also observed.
The scientific community has become increasingly interested in the overall quality of diets rather than in single food-based or single nutrient-based approaches to examine diet–disease relationships. Despite the plethora of indices used to measure diet quality, there still exist questions as to which of these can best predict health outcomes. The present study aimed to compare the ability of five diet quality indices, namely the Recommendation Compliance Index (RCI), Diet Quality Index-International (DQI-I), Dietary Approaches to Stop Hypertension (DASH), Mediterranean Diet Score (MDS), and Dietary Inflammatory Index (DII), to detect changes in chronic disease risk biomarkers. Nutritional data from 1352 participants, aged 18–69 years, of the Luxembourg nationwide cross-sectional ORISCAV-LUX (Observation of Cardiovascular Risk Factors in Luxembourg) study, 2007–8, were used to calculate adherence to the diet quality index. General linear modelling was performed to assess trends in biomarkers according to adherence to different dietary patterns, after adjustment for age, sex, education level, smoking status, physical activity and energy intake. Among the five selected diet quality indices, the MDS exhibited the best ability to detect changes in numerous risk markers and was significantly associated with lower levels of LDL-cholesterol, apo B, diastolic blood pressure, renal function indicators (creatinine and uric acid) and liver enzymes (serum γ-glutamyl-transpeptidase and glutamate-pyruvate transaminase). Compared with other dietary patterns, higher adherence to the Mediterranean diet is associated with a favourable cardiometabolic, hepatic and renal risk profile. Diets congruent with current universally accepted guidelines may be insufficient to prevent chronic diseases. Clinicians and public health decision makers should be aware of needs to improve the current dietary guidelines.
The aim of the present study was to examine the relationship between orthostatic changes in blood pressure (BP) and cognition, with consideration given to cardiovascular risk factors and lifestyle variables. The cross-sectional analysis included 961 community-dwelling participants of the Maine-Syracuse Longitudinal Study, for whom BP clinic measures (five sitting, five recumbent, and five standing) were obtained. Eighteen percent of participants had orthostatic hypotension (fall in systolic BP ≥20 mm Hg or diastolic BP ≥10 mm Hg upon standing) and 6% had orthostatic hypertension (rise in systolic BP ≥20 mm Hg). Orthostatic hypotension and hypertension defined using traditional criteria were unrelated to cognition with covariate adjustment. However, an examination of systolic and diastolic BP change independently revealed that participants with systolic orthostatic hypotension had poorer global cognition, verbal memory, and scanning and tracking scores than those with normal systolic BP change. The authors conclude that systolic orthostatic hypotension is significantly associated with reduced cognitive function.
Objective: Crying and unsettled behavior in infancy is common. Prolonged disturbed infant sleep can have significant negative effects on the development of the child, and on the psychological well-being of the mother. Compared to studies examining the effects of behavioral sleep programs such as extinction-based techniques in infants over 6 months of age, fewer studies have looked at such strategies in infants under 6 months of age. The aim of this article is to summarize the literature examining the effects of behavioral techniques on infant sleep outcomes in the first 6 months of life and provide evidence based recommendations for the management of infant sleep disturbance. Method: An electronic search of the literature was performed to identify studies which examined the effects of a behavioral intervention aimed at improving sleep in infants under 6 months of age. Results: Eleven studies were identified, of which 8 demonstrated improvements in infant sleep outcomes subsequent to the implementation of an educational behavioral program. Conclusion: Education directed to parents about the use of simple, prescriptive, behavioral techniques is effective in improving infant sleep. Long term follow-up studies have failed to find any negative effects on the child, either from a psychological or physical perspective.
Consumption of low fat dairy foods may decrease the risk of obesity, type 2 diabetes, hypertension, and all cardiovascular risk factors linked with increased probability of cognitive impairment.To examine associations between dairy intake and self-reported cognitive function and psychological well-being, and to test the novel hypothesis that dairy consumption may benefit cognitive health via its positive effects on cardiometabolic health.Retrospective cross-sectional analyses were undertaken on data from food frequency questionnaires and self-reported health of 432 men and 751 women, aged 39 to 65 years. Health measures included cardiometabolic health indicators, cognitive and memory functioning, mental health, anxiety, stress, depression and self-esteem; assessed by standardised questionnaires.Regression analyses, adjusted for total energy intake and other health confounders, showed that consumption of low fat yogurt was associated with increased quality of memory recall (p=0.029) and greater social functioning (p=0.045) in men. Consumption of low fat cheese was associated with greater social functioning (p=0.021) and decreased stress (p=0.042) in women. Intakes of whole fat dairy products, including ice-cream and cream, were associated with increased depression, anxiety, stress, cognitive failures, poorer memory functioning and general health (all p<0.05). There was no association between cardiometabolic health indicators and dairy consumption.Low fat dairy may have beneficial effects on social functioning, stress and memory, while whole fat dairy may be associated with poorer psychological well-being. Dietary intervention trials are needed to establish whether there is a direct effect of dairy consumption on cognitive and psychological health.
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