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The effect of retirement on health behaviours: Evidence from Brazil
This study investigates the impact of retirement on health behaviours in Brazil in light of rising life expectancy and recent pension age reforms, focusing on how retirement affects well-being in a middle-income country.
Using data from the 2013 and 2019 Brazilian National Health Surveys (PNS), this study analyses health behaviours among 54,741 individuals aged 50-80. Health behaviours (alcohol consumption, smoking, physical activity, sleep medication use, and diet) were measured using binary and continuous variables. Retirement status was defined as receiving a pension and not working, with Brazil's minimum retirement age used as an instrumental variable to address endogeneity. Probit and IV probit models for binary outcomes and OLS and IV OLS models for continuous outcomes were estimated, with statistical tests supporting instrument strength and endogeneity.
The findings reveal a positive relationship between retirement and improvements in health behaviours. In the IV probit models, retirement is associated with increased physical exercise (β = 0.393, p < 0.05) and healthier eating habits (β = 0.371, p < 0.05). Men are less likely than women to reduce smoking. Retirement is linked to greater time spent engaging in physical exercise, reductions in alcohol consumption and smoking, together with healthier eating habits.
These results have significant policy implications, underscoring the need to consider the potential long-term public health effects of increasing the retirement age, as it could result in higher public health burdens.
Journal Article
Crop manuring and intensive land management by Europe’s first farmers
The spread of farming from western Asia to Europe had profound long-term social and ecological impacts, but identification of the specific nature of Neolithic land management practices and the dietary contribution of early crops has been problematic. Here, we present previously undescribed stable isotope determinations of charred cereals and pulses from 13 Neolithic sites across Europe (dating ca . 5900–2400 cal B.C.), which show that early farmers used livestock manure and water management to enhance crop yields. Intensive manuring inextricably linked plant cultivation and animal herding and contributed to the remarkable resilience of these combined practices across diverse climatic zones. Critically, our findings suggest that commonly applied paleodietary interpretations of human and herbivore δ ¹⁵N values have systematically underestimated the contribution of crop-derived protein to early farmer diets.
Journal Article
Rethinking peace and conflict studies : the interwar movement for peace in Britain
\"Concepts and policies deriving from political and social movements in support of liberal nationalism are hotly debated today. Civil society has actively engaged in controversies over intervention in Kosovo, Sierra Leone, Afghanistan, Iraq and the Lebanon. Pugh investigates the role of popular liberal internationalism as a social movement in Britain, addressing the use of force for peace through an examination of the impact of civil society actors in between wars. The interwar social movements had a massive and lasting influence on British approaches to international politics and influenced the UN's approach to peacekeeping, use of force and peace-building. This book considers social movements for peace and security which probe below the level of state policies. Using Gramscian and Foucauldian ideas of civil society and society, it critically examines the factions and fluidities of a movement that was suffused with values at once humane and superior, tolerant and dogmatic, universalistic and imperial. Pugh explores one of the most powerful social movements for collective security in modern history, a movement which trespassed conventional political boundaries and provided innovative ideas for constructing peace through collective security.\"-- Provided by publisher.
Book
Unitary Entities Are the True “Atoms”
Quantitative Geometrical Thermodynamics (QGT) exploits the entropic Lagrangian–Hamiltonian canonical equations of state as applied to entities obeying the holographic principle and exhibiting Shannon information, the creation of which measures the (validly defined) “entropic purpose” of the system. QGT provides a physical description for what we might consider the true “atoms” of physical science and has also recently enabled a number of significant advances: accounting ab initio for the chirality of DNA and the stability of Buckminsterfullerene; the size of the alpha particle (and other nuclear entities) and the lifetime of the free neutron; and the shape, structure, and stability of the Milky Way galaxy. All these entities, ranging in size over more than 38 orders of magnitude, can each be considered to be an “atom”; in particular, the size of the alpha is calculated from QGT by assuming that the alpha is a “unitary entity” (that is, than which exists no simpler). The surprising conclusion is that clearly compound entities may also be physically treated as unitary (“uncuttable”) according to a principle of scale relativity, where a characteristic size for such an entity must be specified. Since QGT is entropic, and is therefore described using a logarithmic metric (involving hyperbolic space), it is not surprising that the length scale must be specified in order to account for unitary properties and for an entity to be appropriately considered an “atom”. The contribution to physics made by QGT is reviewed in the context of the related work of others.
Journal Article
Security beyond the state : private security in international politics
\"Across the globe, from mega-cities to isolated resource enclaves, the provision and governance of security takes place within assemblages that are de-territorialized in terms of actors, technologies, norms and discourses. They are embedded in a complex transnational architecture, defying conventional distinctions between public and private, global and local. Drawing on theories of globalization and late modernity, along with insights from criminology, political science and sociology, Security beyond the State maps the emergence of the global private security sector and develops a novel analytical framework for understanding these global security assemblages. Through in-depth examinations of four African countries - Kenya, Nigeria, Sierra Leone and South Africa - it demonstrates how global security assemblages effect the distribution of social power, the dynamics of state stability, and the operations of the international political economy, with significant implications for who gets secured and how in a global era\"--Provided by publisher.
Book
The association between BMI and self-reported health among a Brazilian sample: a cross-sectional study
ObjectiveTo examine the association between Body Mass Index (BMI) and self-rated health status among a representative sample of the Brazilian population.MethodsThis study consists of a secondary analysis of the existing 2019 Brazilian National Health Survey (PNS). Logistic regression models were then used to examine the association between self-reported health status and BMI, while controlling for obesity-related medical conditions and socio-demographic characteristics.ResultsThe representative sample included 34,021 men and 34,430 women, comprising a total sample of 68,451. Men living with obesity (BMI ≥ 30 kg/m2) had, on average, a lower self-reported health status score (OR = 0.69, p < 0.01) compared to men within a healthy weight BMI range (18.5–25 kg/m2). Women living with obesity had, on average, a lower self-reported health status score (OR = 0.56, p < 0.01) compared to women within a healthy weight BMI range (18.5–25 kg/m2). There was also a statistically significant negative association (p < 0.01) between our obesity-related medical conditions and self-reported health for men and women. We also find some evidence of a non-linear association between BMI and health status for men.ConclusionsThe findings indicate that there is a statistically significant negative association between BMI and self-reported health for Brazilian men and women living with obesity. These findings reinforce the importance of addressing this growing public health challenge and the value of preventive measures and effective public health programs that focus on improving overall health and quality of life for individuals living with obesity.
Journal Article
Science and Technology of Rubber (4th Edition)
This book provides a broad survey of elastomers with special emphasis on materials with a rubber-like elasticity. As in the 3rd Edition, the emphasis remains on a unified treatment of the material; exploring topics from the chemical aspects such as elastomer synthesis and curing, through recent theoretical developments and characterization of equilibrium and dynamic properties, to the final applications of rubber, including tire engineering and manufacturing. Many advances have been made in polymer and elastomers research over the past ten years since the 3rd Edition was published. Updated material stresses the continuous relationship between the ongoing research in synthesis, physics, structure, and mechanics of rubber technology and industrial applications. Special attention is paid to recent advances in rubber-like elasticity theory and new processing techniques for elastomers. This new edition is comprised of 20% new material, including a new chapter on environmental issues and tire recycling.
eBook