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Oldest ever ice offers glimpse of Earth before the ice ages
Climate snapshots suggest carbon dioxide levels were surprisingly modest during ancient warm period
Matching actions to needs: shifting policy responses to the changing health needs of Chinese children and adolescents
China is home to the second largest population of children and adolescents in the world. Yet demographic shifts mean that the government must manage the challenge of fewer children with the needs of an ageing population, while considering the delicate tension between economic growth and environmental sustainability. We mapped the health problems and risks of contemporary school-aged children and adolescents in China against current national health policies. We involved multidisciplinary experts,...
Repurposing a diabetes drug to treat Parkinson's disease
No abstract
Global incidence, prevalence, years lived with disability (YLDs), disability-adjusted life-years (DALYs), and healthy life expectancy (HALE) for 371 diseases and injuries in 204 countries and territories and 811 subnational locations, 1990-2021: a…
BACKGROUND: Detailed, comprehensive, and timely reporting on population health by underlying causes of disability and premature death is crucial to understanding and responding to complex patterns of disease and injury burden over time and across age groups, sexes, and locations. The availability of disease burden estimates can promote evidence-based interventions that enable public health researchers, policy makers, and other professionals to implement strategies that can mitigate diseases. It...
Inflammation and mitophagy are mitochondrial checkpoints to aging
Cellular and organismal aging have been consistently associated with mitochondrial dysfunction and inflammation. Accumulating evidence indicates that aging-related inflammatory responses are mechanistically linked to compromised mitochondrial integrity coupled with mtDNA-driven CGAS activation, a process that is tonically inhibited by mitophagy.
The advent of Alzheimer treatments will change the trajectory of human aging
Slowing neurodegenerative disorders of late life has lagged behind progress on other chronic diseases. But advances in two areas, biochemical pathology and human genetics, have now identified early pathogenic events, enabling molecular hypotheses and disease-modifying treatments. A salient example is the discovery that antibodies to amyloid ß-protein, long debated as a causative factor in Alzheimer's disease (AD), clear amyloid plaques, decrease levels of abnormal tau proteins and slow cognitive...
Free ribosomal proteins as culprits for nucleolar stress
Nucleolar stress has been consistently linked to age-related diseases. In this issue, Sirozh et al.¹ find that the common molecular signature of nucleolar stress is the accumulation of free ribosomal proteins, which leads to premature aging in mice; however, it can be reversed by mTOR inhibition.
The advent of Alzheimer treatments will change the trajectory of human aging
Slowing neurodegenerative disorders of late life has lagged behind progress on other chronic diseases. But advances in two areas, biochemical pathology and human genetics, have now identified early pathogenic events, enabling molecular hypotheses and disease-modifying treatments. A salient example is the discovery that antibodies to amyloid ß-protein, long debated as a causative factor in Alzheimer's disease (AD), clear amyloid plaques, decrease levels of abnormal tau proteins and slow cognitive...
NMR metabolomic modeling of age and lifespan: A multicohort analysis
Metabolomic age models have been proposed for the study of biological aging, however, they have not been widely validated. We aimed to assess the performance of newly developed and existing nuclear magnetic resonance spectroscopy (NMR) metabolomic age models for prediction of chronological age (CA), mortality, and age-related disease. Ninety-eight metabolic variables were measured in blood from nine UK and Finnish cohort studies (N ≈31,000 individuals, age range 24-86 years). We used nonlinear...
Epigenetic age oscillates during the day
Since their introduction, epigenetic clocks have been extensively used in aging, human disease, and rejuvenation studies. In this article, we report an intriguing pattern: epigenetic age predictions display a 24-h periodicity. We tested a circadian blood sample collection using 17 epigenetic clocks addressing different aspects of aging. Thirteen clocks exhibited significant oscillations with the youngest and oldest age estimates around midnight and noon, respectively. In addition, daily...
Daily briefing: why queasiness kills hunger
The advent of Alzheimer treatments will change the trajectory of human aging
Do insects have an inner life? Animal consciousness needs a rethink
Detectors deep in South Pole ice pin down elusive tau neutrino
Living on Mars would probably suck — here's why
Australia’s Great Barrier Reef is ‘transforming’ because of repeated coral bleaching
Dogwhistles, drilling and the roots of Western civilization: Books in brief
Interferon-γ and infectious diseases: Lessons and prospects
Science, Volume 384, Issue 6693, April 2024.
A naturally isolated symbiotic bacterium suppresses flavivirus transmission by Aedes mosquitoes
Science, Volume 384, Issue 6693, April 2024.
Generalized biomolecular modeling and design with RoseTTAFold All-Atom
Science, Volume 384, Issue 6693, April 2024.