Health and population

Health and population dynamics are intertwined, embodying an intricate relationship with significant implications on the Sustainable Development Goals (SDGs). Health is fundamentally at the center of these 17 global goals, aimed to transform the world by 2030. Specifically, Goal 3 endeavors to "Ensure healthy lives and promote well-being for all at all ages." It acknowledges that health is pivotal to human life quality, social cohesion, and sustainable development. Inextricably linked to this are the complexities of population dynamics, including growth rates, age structure, fertility and mortality rates, and migration patterns.

With the world's population projected to exceed 9.7 billion by 2050, the pressure on health systems will undoubtedly escalate. The demographic transition, with an aging population and an increasing prevalence of non-communicable diseases, poses new challenges for health systems globally. Additionally, areas with high fertility rates often overlap with extreme poverty, resulting in heightened health risks, including higher maternal and child mortality rates, malnutrition, and infectious diseases.

Moreover, rapid urbanization and migration present both opportunities and threats to health. While urban areas may provide better access to healthcare, they also harbor risks of disease transmission, air and water pollution, and social determinants of health like inadequate housing and social inequality. Simultaneously, migrants often face disproportionate health risks due to unstable living conditions, exploitation, and limited access to healthcare services.

Achieving the SDGs will necessitate comprehensive approaches that consider the intricate interplay of health and population dynamics. It means strengthening health systems, promoting universal health coverage, and addressing social determinants of health. It also implies crafting policies that recognize demographic realities and foster an environment conducive to sustainable development. Only by understanding and harnessing these dynamics can the world meaningfully progress towards realizing the SDGs, ensuring healthy lives and well-being for all.

This article examines the associations between dietary inflammatory potential, antioxidant capacity, Mediterranean diet adherence, and biological age acceleration in a large UK Biobank cohort.
This study explores the emerging phenomenon of childlessness in India beyond biological infertility, revealing social stratification linked to education and partnership trajectories, with highly educated women more likely to delay or forgo motherhood. It highlights reproductive inequalities and calls for inclusive policies addressing diverse life courses and aspirations.
Elsevier,

Advancing Brain Cancer Care: Precision, AI Innovation, and African Insights, 2025, pp 209-231

This chapter explores how big data analytics and advanced methodologies like multiomics and AI are transforming brain cancer research, enabling early diagnosis, personalized treatment, and targeted prevention. By improving health outcomes through precision oncology (SDG 3: Good Health and Well-being) and addressing global disparities in cancer care via collaborative initiatives and equitable access (SDG 10: Reduced Inequalities), these data-driven approaches reshape the future of brain cancer treatment worldwide.
Elsevier,

Journal of Prevention of Alzheimer's Disease, Volume 12, 1 August 2025

The study found that long-duration and high-intensity walking were associated with reduced amyloid-beta accumulation over 4 years, with the greatest benefits seen in those who started walking earlier in life. However, walking activity was not linked to changes in tau deposition, neurodegeneration, or white matter hyperintensities.
This study investigated how repetitive transcranial magnetic stimulation (rTMS) combined with cognitive training affects functional connectivity in both gray matter and white matter in patients with mild to moderate Alzheimer’s disease. Results showed that rTMS modulated activity in key brain regions, particularly within the limbic system, with changes in white matter connectivity correlating with cognitive improvements.
The article estimates the value-based price of a blood test for Alzheimer's disease pathology, finding it would be $290-$1150 in primary care and $450-$1950 in specialty care, projecting substantial cost savings.
The article provides a comprehensive overview of the role of the endogenous detoxification system in the pathogenesis of age-related neurodegenerative diseases, particularly Alzheimer's disease (AD) and Parkinson's disease (PD). It highlights epidemiological evidence linking environmental toxicant exposure to the onset and progression of these diseases, and discusses how dysfunction of detoxification pathways, including enzymes and transporters, can exacerbate neurodegenerative processes. The article also explores the potential of targeting nuclear receptor signaling pathways, such as the pregnane X receptor (PXR), as a promising therapeutic strategy to restore detoxification capacity and modify disease trajectories.
This article describes the discovery and characterization of FJMU1887, a novel brain-penetrant small-molecule inhibitor of Galectin-3 (Gal-3) identified through an AI-driven drug discovery platform. FJMU1887 demonstrated potent anti-inflammatory effects, reduced Aβ pathology, and improved cognitive function in Alzheimer's disease mouse models, highlighting its therapeutic potential for the treatment of Alzheimer's disease.
Elsevier,

Journal of Pharmacology and Experimental Therapeutics, Volume 392, August 2025

This review discusses the dual role of amyloid-beta (Aβ) in Alzheimer's disease (AD). While Aβ accumulation is a hallmark of AD pathology, soluble Aβ also plays a neuroprotective role in regulating synaptic plasticity and memory. The review explores the potential of anti-Aβ immunotherapy as a treatment strategy, highlighting the need to balance targeting toxic Aβ species while preserving the physiological functions of Aβ.`

This content aligns with Goal 3: Good Health and Wellbeing and Goal 9: Industry, Innovation, and Infrastructure by considering the role heavy metals such as lead, mercury, and cadmium can play in Alzheimer's Disease.

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